# List of reptiles of Thailand

The following is a list of reptiles of Thailand. There are more than 400 species recorded.

## Order Crocodylia (crocodilians)

| Scientific name | Family | Common name | Synonyms | Thai name | Geographical range |
| Crocodylus porosus | Crocodylidae | Saltwater crocodile | | | South |
| Crocodylus siamensis | Crocodylidae | Siamese crocodile | | | West and southeast |
| Tomistoma schlegelii | Crocodylidae | Sunda gharial | Malayan false gharial | ตะโขง | Extreme south - Probably extinct |

## Order Testudines (turtles)

| Scientific name | Family | Common name | Synonyms | Thai name | Geographical range |
| Platysternon megacephalum | Platysternidae | Big-headed turtle | | | Northwest and west |
| Dermochelys coriacea | Dermochelyidae | Leatherback turtle | | | Andaman Sea and Gulf coast |
| Trachemys scripta | Emydidae | Red-eared slider | | | Widespread - introduced |
| Chelonia mydas | Cheloniidae | Green turtle | | | Andaman Sea and Gulf coast |
| Lepidochelys olivacea | Cheloniidae | Olive ridley turtle | | | Andaman Sea and Gulf coast |
| Caretta caretta | Cheloniidae | Loggerhead turtle | | | Andaman Sea and Gulf coast |
| Eretmochelys imbricata | Cheloniidae | Hawksbill sea turtle | | | Andaman Sea and Gulf coast |
| Amyda cartilaginea | Trionychidae | Asian softshell turtle | | | Widespread |
| Pelodiscus sinensis | Trionychidae | Chinese softshell turtle | | | Widespread - introduced |
| Chitra chitra | Trionychidae | Narrow-headed softshell turtle | | | West |
| Chitra vandijki | Trionychidae | Myanmar narrow-headed softshell turtle | | | West |
| Dogania subplana | Trionychidae | Hillstream softshell turtle | Malayan softshell turtle | | West and south |
| Caracape cantorii | Trionychidae | Frog-headed giant softshell turtle | Asian giant softshell turtle | | Northeast, west, central and south |
| Batagur baska | Geoemydidae | Mangrove terrapin | | | South (Ranong, Pattani, and Satun) |
| Batagur borneoensis | Geoemydidae | Painted terrapin | | | Central and south |
| Cuora amboinensis | Geoemydidae | Asian box turtle | Keeled box turtle, Indian black turtle, Malayan box turtle | | Widespread |
| Cyclemys dentata | Geoemydidae | Asian leaf turtle | | | South |
| Cyclemys oldhamii | Geoemydidae | Black-striped leaf turtle | Oldham's leaf turtle | | Widespread |
| Cyclemys enigmatica | Geoemydidae | Dark leaf turtle | | | Extreme south |
| Cyclemys atripons | Geoemydidae | Black-bridged leaf turtle | | | Southeast |
| Heosemys grandis | Geoemydidae | Giant Asian pond turtle | | | West and south |
| Heosemys spinosa | Geoemydidae | Spiny turtle | Spiny hill turtle | | Peninsula |
| Heosemys annandalii | Geoemydidae | Yellow-headed temple turtle | | | Central and peninsula |
| Malayemys macrocephala | Geoemydidae | Malayan snail-eating turtle | | | Widespread except northeast |
| Malayemys khoratensis | Geoemydidae | Khorat snail-eating turtle | | | Northeastern (Khorat Basin) |
| Malayemys isan | Geoemydidae | Isan snail-eating turtle | | | Northeastern (Nong Bua Lamphu) |
| Notochelys platynota | Geoemydidae | Flat-shelled turtle | Malayan flat-shelled turtle | | South |
| Siebenrockiella crassicollis | Geoemydidae | Black pond turtle | Black marsh turtle | | Widespread |
| Indotestudo elongata | Testudinidae | Elongated tortoise | | เต่าเหลือง, เต่าเพ็ก | Widespread |
| Manouria emys | Testudinidae | Asian brown tortoise | Asian giant tortoise | | West and south |
| Manouria impressa | Testudinidae | Impressed tortoise | | | Peninsula |

## Order Squamata, Suborder Lacertilia (lizards)

| Scientific name | Family | Common name | Synonyms | Thai name | Geographical range |
| Aeluroscalabotes felinus | Eublepharidae | Cat gecko | | | South (Narathiwat, Satun, and Yala) |
| Cyrtodactylus brevipalmatus | Gekkonidae | Web-footed bent-toed gecko | Short-fingered bent-toed gecko | | West and south - endemic |
| Cyrtodactylus interdigitalis | Gekkonidae | Ulber's bent-toed gecko | Nam Nao bent-toed gecko | | Northeast - endemic |
| Cyrtodactylus consobrinus | Gekkonidae | Peter's bent-toed gecko | | | South (Narathiwat, Satun, and Yala) |
| Cyrtodactylus saiyok | Gekkonidae | Sai Yok bent-toed gecko | | | West (Kanchanaburi) - endemic |
| Cyrtodactylus sanook | Gekkonidae | Sanook bent-toed gecko | | | South (Chumphon) |
| Cyrtodactylus intermedius | Gekkonidae | Intermediate banded bent-toed gecko | Cardamom Mountains bent-toed gecko | ตุ๊กแกป่าตะวันออก | Southeast |
| Cyrtodactylus jarujini | Gekkonidae | Jarujin's bent-toed gecko | | | Northeast |
| Cyrtodactylus inthanon | Gekkonidae | Doi Inthanon bent-toed gecko | | | North (Chiang Mai) |
| Cyrtodactylus kunyai | Gekkonidae | Kunya's bent-toed gecko | | | Northeast (Loei) |
| Cyrtodactylus ranongensis | Gekkonidae | Ranong bent-toed gecko | | | South (Ranong) |
| Cyrtodactylus angularis | Gekkonidae | Angular-spotted bent-toed gecko | Angled bent-toed gecko | ตุ๊กแกป่าดงพญาเย็น | Central and northeast - endemic |
| Cyrtodactylus papilionoides | Gekkonidae | Butterfly bent-toed gecko | | | Central and northeast |
| Cyrtodactylus lekaguli | Gekkonidae | Lekagul's bent-toed gecko | | | South |
| Cyrtodactylus quadrivirigatus | Gekkonidae | Four-lined bent-toed gecko | Four-striped bent-toed gecko | | South |
| Cyrtodactylus oldhami | Gekkonidae | Oldham's bent-toed gecko | | | West and south |
| Cyrtodactylus phetchaburiensis | Gekkonidae | Phetchaburi bent-toed gecko | | | Northern Peninsula (Phetchaburi) - endemic |
| Cyrtodactylus peguensis | Gekkonidae | Spotted bent-toed gecko | Pegu bent-toed gecko | | West and south |
| Cyrtodactylus variegatus | Gekkonidae | Variegated bent-toed gecko | | | West |
| Cyrtodactylus doisuthep | Gekkonidae | Doi Suthep bent-toed gecko | | | North (Chiang Mai) - endemic |
| Cyrtodactylus sumonthai | Gekkonidae | Sumontha's cave gecko | Sumontha's bent-toed gecko | | Southeast (Rayong) - endemic |
| Cyrtodactylus thirakhupti | Gekkonidae | Thirakhupt's cave gecko | Thirakhupt's bent-toed gecko | | South (Surat Thani) - endemic |
| Cyrtodactylus chanhomeae | Gekkonidae | Chanhome's cave gecko | Chanhome's bent-toed gecko | | Central (Saraburi) - endemic |
| Cyrtodactylus tigroides | Gekkonidae | Tiger cave gecko | Striped bent-toed gecko | | West (Kanchanaburi) - endemic |
| Cyrtodactylus auribalteatus | Gekkonidae | Golden-belted bent-toed gecko | | | Central |
| Cyrtodactylus surin | Gekkonidae | Surin bent-toed gecko | | | South (Mu Ko Surin) |
| Cyrtodactylus wangkulangkulae | Gekkonidae | Wangkulangkul's bent-toed gecko | | | South (Satun) |
| Cyrtodactylus dumnuii | Gekkonidae | Dumnui's bent-toed gecko | | | North (Chiang Mai) |
| Cyrtodactylus astrum | Gekkonidae | Starry bent-toed gecko | | | South |
| Cyrtodactylus erythrops | Gekkonidae | Red-eyed bent-toed gecko | | | North (Mae Hong Son) |
| Cyrtodactylus khelangensis | Gekkonidae | Lampang bent-toed gecko | | | North (Lampang) - endemic |
| Cyrtodactylus samroiyot | Gekkonidae | Sam Roi Yot bent-toed gecko | | | West (Prachuap Khiri Khan) - endemic |
| Cyrtodactylus macrotuberculatus | Gekkonidae | Tuberculate bent-toed gecko | | | Extreme south - endemic |
| Cyrtodactylus phuketensis | Gekkonidae | Phuket bent-toed gecko | | | South (Phuket) - endemic |
| Cnemaspis siamensis | Gekkonidae | Siamese rock gecko | Thai day gecko | | Peninsula (Phetchaburi to Phang Nga) - endemic |
| Cnemaspis chanardi | Gekkonidae | Chan-ard's rock gecko | | | South (Surat Thani to Krabi and Satun) - endemic |
| Cnemaspis vandeventeri | Gekkonidae | Van Deventer's rock gecko | | | South (Ranong, Phang Nga, and Phuket) - endemic |
| Cnemaspis kamolnorranathi | Gekkonidae | Kamolnorranath's rock gecko | | | South (Surat Thani) - endemic |
| Cnemaspis huaseesom | Gekkonidae | Yellow-headed rock gecko | | | West (Kanchanaburi) - endemic |
| Cnemaspis punctatonuchalis | Gekkonidae | Spot-neck rock gecko | | | West (Prachuap Khiri Khan) - endemic |
| Cnemaspis biocellata | Gekkonidae | Two-eyed rock gecko | Two-eyed day gecko, twin-spot day gecko | | South (Satun) |
| Cnemaspis chanthaburiensis | Gekkonidae | Chanthaburi rock gecko | Chanthaburi day gecko | | Southeast (Chantaburi and Chonburi) |
| Cnemaspis flavolineatus | Gekkonidae | Titi Wangsa rock gecko | | | Extreme south |
| Cnemaspis narathiwatensis | Gekkonidae | Malayan rock gecko | | | South (Narathiwat and Yala) |
| Cnemaspis niyomwanae | Gekkonidae | Niyomwan's rock gecko | | | South (Trang and Satun) - endemic |
| Cnemaspis sp. nov. | Gekkonidae | | | | South (Ranong) |
| Cnemaspis flavolineata | Gekkonidae | Striped rock gecko | | | Extreme south |
| Cnemaspis kumpoli | Gekkonidae | Kumpol's rock gecko | Kimpol's day gecko | | South |
| Cnemaspis phuketensis | Gekkonidae | Phuket rock gecko | Phuket day gecko | | South (Phuket) |
| Dixonius siamensis | Gekkonidae | Siamese ground gecko | Spotted ground gecko | | Widespread |
| Dixonius sp. nov. | Gekkonidae | | | | West (Prachuap Khiri Khan) - endemic |
| Dixonius melanostictus | Gekkonidae | Black-sided ground gecko | Dark-sided ground gecko | | Central |
| Dixonius hangseesom | Gekkonidae | Orange-tailed ground gecko | | | West (Kanchanaburi) - endemic |
| Hemidactylus frenatus | Gekkonidae | Spiny-tailed house gecko | Asian house gecko | จิ้งจกหางหนาม | Widespread |
| Hemidactylus garnotii | Gekkonidae | Garnot's house gecko | | จิ้งจกหางเรียบ | Widespread |
| Hemidactylus platyurus | Gekkonidae | Common frilly gecko | Frilly house gecko | จิ้งจกหางแบนเล็ก | Widespread |
| Hemidactylus parvimaculatus | Gekkonidae | Sri Lankan house gecko | | | Central (Bangkok) - introduced |
| Hemidactylus brookii | Gekkonidae | Brooke's house gecko | | | South (Ranong) |
| Hemidactylus craspedotus | Gekkonidae | Malayan frilly gecko | Frilly forest gecko | | South |
| Gehyra lacerata | Gekkonidae | Western four-clawed gecko | Kanchanaburi four-clawed gecko | จิ้งจกหินเมืองกาญจน์ | West and northeast - endemic |
| Gehyra angusticaudata | Gekkonidae | Slender-tailed four-clawed gecko | | | Southeast (Chonburi) - endemic |
| Gehyra mutilata | Gekkonidae | Common four-clawed gecko | | จิ้งจกหินสีจาง | Widespread |
| Gekko sp. nov. | Gekkonidae | | | | Central (Phitsanulok) |
| Gehyra fehlmanni | Gekkonidae | Fehlmann's four-clawed gecko | | | West and central |
| Hemiphyllodactylus typus | Gekkonidae | Malayan dwarf gecko | Common worm gecko | จิ้งจกเขาสูงมลายู | South |
| Hemiphyllodactylus yunnanensis | Gekkonidae | Yunnan dwarf gecko | Yunnan worm gecko | จิ้งจกเขาสูงยูนนาน | North and south (Samui) |
| Hemiphyllodactylus chiangmaiensis | Gekkonidae | Chiang Mai dwarf gecko | | | North (Chiang Mai) |
| Gekko gecko | Gekkonidae | Common tokay gecko | | ตุ๊กแกบ้าน | Widespread |
| Gekko monarchus | Gekkonidae | Spotted tokay gecko | Warty house gecko | | South |
| Gekko nutaphandi | Gekkonidae | Nutaphand's gecko | | | West (Kanchanaburi) - endemic |
| Gekko petricolus | Gekkonidae | Sandstone gecko | | | Northeast |
| Gekko siamensis | Gekkonidae | Siamese tokay gecko | Siamese gecko | | Central and northeast - endemic |
| Gekko smithii | Gekkonidae | Smith's tokay gecko | Smith's giant gecko | | Peninsula |
| Gekko lauhachindai | Gekkonidae | Saraburi gecko | | | Central (Saraburi) - endemic |
| Ptychozoon lionotum | Gekkonidae | Common parachute gecko | Smooth parachute gecko | ตุ๊กแกบินหางหยัก | Widespread |
| Ptychozoon trinotaterra | Gekkonidae | Three-banded parachute gecko | | ตุ๊กแกบินลายสามแถบ | Northeast |
| Ptychozoon kaengkrachanense | Gekkonidae | Kaeng Krachan parachute gecko | | | North (Chiang Mai) and west (Phetchaburi) - endemic |
| Ptychozoon kuhli | Gekkonidae | Kuhl's parachute gecko | | | South |
| Ptychozoon horsfieldii | Gekkonidae | Horsfield's parachute gecko | | | South (Yala) |
| Draco sumatranus | Agamidae | Sumatran gliding lizard | Common flying lizard | | West and south |
| Draco maculatus | Agamidae | Orange-winged gliding lizard | | กิ้งก่าปินปีกส้ม | Widespread |
| Draco fimbriatus | Agamidae | Orange-bearded gliding lizard | Fringed flying lizard | | South |
| Draco formosus | Agamidae | Beautiful gliding lizard | | | Status uncertain |
| Draco quinquefasciatus | Agamidae | Five-banded gliding lizard | | | South |
| Draco haematopogon | Agamidae | Red-bearded gliding lizard | | | South (Ko Phangan) |
| Draco melanopogon | Agamidae | Black-bearded gliding lizard | | | South |
| Draco taeniopterus | Agamidae | Barred gliding lizard | Narrow-lined flying lizard | กิ้งก่าบินปีกลาย | Widespread |
| Draco blanfordii | Agamidae | Blanford's gliding lizard | | | Widespread |
| Draco obscurus | Agamidae | Dusky gliding lizard | Obscure flying lizard | | South |
| Acanthosaura armata | Agamidae | Horned tree lizard | | | South (Surat Thani southward) |
| Acanthosaura cardamomensis | Agamidae | Cardamom Mountains spiny lizard | | | Northeast and southeast |
| Acanthosaura lepidogaster | Agamidae | Scale-bellied tree lizard | Scale-bellied spiny lizard | | North |
| Acanthosaura crucigera | Agamidae | Cross-bearing tree lizard | Masked spiny lizard | กิ้งก่าเขาหนามสั้น | Widespread |
| Acanthosaura phuketensis | Agamidae | Phuket tree lizard | | | South (Ranong to Phuket) |
| Gonocephalus abbotti | Agamidae | Abbott's anglehead lizard | | | South |
| Gonocephalus bellii | Agamidae | Bell's anglehead lizard | Blue-necked angle-headed lizard | | South |
| Gonocephalus grandis | Agamidae | Great anglehead lizard | Giant angle-headed lizard | | South |
| Diploderma yunnanense | Agamidae | Yunnan Mountain lizard | | | North (Chiang Mai) |
| Bronchocela cristatella | Agamidae | Green crested lizard | Crested green lizard | | West and south |
| Bronchocela smaragdina | Agamidae | Smaragdine crested lizard | | | Northeast (Nakhon Ratchasima) and southeast |
| Bronchocela rayaensis | Agamidae | Gunung Raya green-crested lizard | | | South |
| Pseudocalotes sp. nov. | Agamidae | | | | West (Tak) |
| Pseudocalotes floweri | Agamidae | Flower's long-headed lizard | | | Southeast (Chanthaburi) |
| Pseudocalotes khaonanensis | Agamidae | Khao Nan long-headed lizard | | | South (Nakhon Sri Thammarat) - endemic |
| Pseudocalotes microlepis | Agamidae | Boulenger's long-headed lizard | Small-scaled long-headed lizard | | North (Chiang Mai) and northeast |
| Pseudocalotes kakhienensis | Agamidae | Kakhyen Hills spiny lizard | | | North (Chiang Mai) |
| Calotes versicolor | Agamidae | Changeable crested lizard | Garden izard | กิ้งก่าหัวแดง, กิ้งก่ารั้ว | Widespread |
| Calotes mystaceus | Agamidae | Moustached crested lizard | Blue forest lizard | กิ้งก่าสวน, กิ้งก่าหัวสีฟ้า | Widespread |
| Calotes emma | Agamidae | Forest crested lizard | | กิ้งก่าแก้วเหนือ | Widespread |
| Physignathus cocincinus | Agamidae | Indochinese water dragon | | ตะกอง, ลั้ง | Northeast and southeast |
| Mantheyus phuwuanensis | Agamidae | Phu Wua lizard | | | Northeast (Bueng Kan) - endemic |
| Aphaniotis fuscus | Agamidae | Earless lizard | Brown scrub lizard | | South (Pattani and Yala) |
| Leiolepis belliana | Agamidae | Common butterfly lizard | Bell's butterfly lizard, eyed butterfly lizard | แย้เส้น, แย้ธรรมดา | Widespread except northeast |
| Leiolepis boehmei | Agamidae | Boehm's butterfly lizard | | แย้สงขลา | South (Nakhon Sri Thammarat and Songkhla) - endemic |
| Leiolepis rubritaeniata | Agamidae | Reeves' butterfly lizard | Red-banded butterfly lizard | แย้อีสาน | Northeast |
| Leiolepis triploida | Agamidae | Triploid butterfly lizard | | แย้มลายู | South (Satun and Songkhla) |
| Takydromus sexlineatus | Lacertidae | Long-tailed lizard | Long-tailed grass lizard | กิ้งก่าน้อยหางยาว, จิ้งเหลนน้อยหางยาว, งูคา, สางห่า | Widespread |
| Eutropis multifasciata | Scincidae | Many-lined sun skink | Common sun skink | จิ้งเหลนบ้าน | Widespread |
| Eutropis longicaudata | Scincidae | Long-tailed sun skink | | จิ้งเหลนหางยาว | Widespread |
| Eutropis novemcarinata | Scincidae | Keeled sun skink | Nine-keeled ground skink | | South |
| Eutropis rugifera | Scincidae | Nicobar sun skink | Red-throated ground skink | | Extreme south (Narathiwat and Yala) |
| Eutropis macularia | Scincidae | Variable sun skink | Little ground skink | จิ้งเหลนหลากหลาย | Widespread except southern Peninsula |
| Plestiodon quadrilineatus | Scincidae | Blue-tailed skink | Four-lined blue-tailed skink | | North (Chiang Mai) and Central (Saraburi) |
| Lipinia vittigera | Scincidae | Common striped skink | | จิ้งเหลนลายอินโดจีน | Widespread except southern Peninsula |
| Lipinia surda | Scincidae | Selangor striped skink | Malayan striped skink | | Extreme south (Yala) |
| Dasia olivacea | Scincidae | Olivaceous tree skink | Olive tree skink | จิ้งเหลนต้นไม้ | Southern half of Thailand |
| Tropidophorus hangnam | Scincidae | Spiny stream skink | Spiny-tailed water skink | | Northeast - endemic |
| Tropidophorus berdmorei | Scincidae | Berdmore's stream skink | | | Northwest |
| Tropidophorus cocincinensis | Scincidae | Indochinese stream skink | | | Northeast |
| Tropidophorus laotus | Scincidae | Laotian stream skink | | | Northeast - endemic |
| Tropidophorus robinsoni | Scincidae | Robinson's stream skink | | | South (Chumphon) |
| Tropidophorus thai | Scincidae | Thai stream skink | | | North (Mae Hong Son and Chiang Mai) - endemic |
| Tropidophorus microlepis | Scincidae | Cambodian stream skink | Small-scaled water skink | | Southeast (Chanthaburi and Sa Kaew) |
| Tropidophorus matsuii | Scincidae | Matsui's stream skink | | | Northeast (Roi Et) - endemic |
| Tropidophorus latiscutatus | Scincidae | Broad-scaled stream skink | | | Northeast (Nong Khai) - endemic |
| Scincella doriae | Scincidae | Doria's leaf-litter skink | Marquis Doria's ground skink | | North (Chiang Mai) and northeast (Loei) |
| Scincella melanosticta | Scincidae | Black-spotted leaf-litter skink | Black-spotted ground skink | จิ้งเหลนดินจุดดำ | Widespread |
| Scincella rufocaudatus | Scincidae | Red-tailed leaf-litter skink | Red-tailed ground skink | | Southeast (Chanthaburi) |
| Scincella reevesii | Scincidae | Reeve's leaf-litter skink | Reeve's ground skink | | Widespread |
| Scincella punctatolineata | Scincidae | Western leaf-litter skink | Spot-lined ground skink | | West (Kanchanaburi) |
| Sphenomorphus mimicus | Scincidae | Mimic forest skink | Dwarf forest skink | | Northeast and central - endemic |
| Sphenomorphus grandisonae | Scincidae | Grandison's forest skink | | | North (Uttaradit) - endemic |
| Sphenomorphus maculatus | Scincidae | Common forest skink | Spotted forest skink | จิ้งเหลนภูเขาเกล็ดเรียบ | Widespread except south |
| Sphenomorphus tersus | Scincidae | Pale forest skink | | | Peninsula |
| Sphenomorphus butleri | Scincidae | Butler's forest skink | | | South (Nakhon Sri Thammarat) |
| Sphenomorphus helenae | Scincidae | Helen's forest skink | | | Central (Nonthaburi) - endemic |
| Sphenomorphus lineopunctulatus | Scincidae | Taylor's forest skink | Spotted-lined forest skink | | Northeast (Ubon Ratchathani) - endemic |
| Sphenomorphus indicus | Scincidae | Indian forest skink | | จิ้งเหลนภูเขาอินเดีย | Widespread |
| Sphenomorphus praesignis | Scincidae | Larut forest skink | | | South (Nakhon Sri Thammarat) |
| Sphenomorphus stellatus | Scincidae | Starry forest skink | | | Northeast (Khon Kaen) and southeast (Chanthaburi) |
| Sphenomorphus scotophilus | Scincidae | Selangor forest skink | | | South (Nakhon Sri Thammarat) |
| Lygosoma isodactylum | Scincidae | Even-toed supple skink | Central supple skink | | Central |
| Lygosoma koratense | Scincidae | Korat supple skink | | | Central and northeast - endemic |
| Lygosoma corpulentum | Scincidae | Annamese supple skink | | | Southeast |
| Lygosoma haroldyoungi | Scincidae | Banded supple skink | Harold Young's supple skink | | North and northeast |
| Lygosoma quadrupes | Scincidae | Common supple skink | Short-limbed supple skink | จิ้งเหลนเรียวขาเล็ก | Widespread |
| Lygosoma angeli | Scincidae | Angel's supple skink | | | Southeast (Chanthaburi) |
| Riopa anguina | Scincidae | Burmese supple skink | | | North and west |
| Subdoluseps bowringii | Scincidae | Bowring's slender skink | Bowring's supple skink | | Widespread |
| Subdoluseps frontoparietalis | Scincidae | Pygmy supple skink | | | Central (Saraburi) |
| Subdoluseps herberti | Scincidae | Herbert's slender skink | Herbert's supple skink | | South (Ranong to Nakhon Sri Thammarat) |
| Leptoseps osellai | Scincidae | Boehme's larut skink | Osella's limbless skink | | North (Chiang Mai) and Central (Phetchabun) - endemic |
| Larutia nubisilvicola | Scincidae | Khao Nan limbless skink | | | South (Nakhon Sri Thammarat) |
| Isopachys anguinoides | Scincidae | Striped legless skink | Eel-like limbless skink | | Upper Peninsula - endemic |
| Isopachys roulei | Scincidae | Roule's limbless skink | | | Southeast (Chonburi) - endemic |
| Isopachys borealis | Scincidae | Western legless skink | Northern limbless skink | | West and northeast |
| Isopachys gyldenstolpei | Scincidae | Gyldenstolpe's legless skink | | | West |
| Brachymeles miriamae | Scincidae | Miriam's legless skink | | จิ้งเหลนด้วงปักธงชัย | Northeast |
| Jarujinia bipedalis | Scincidae | Two-legged skink | | | West (Ratchaburi) |
| Dibamus alfredi | Scincidae | Alfred's snake skink | Alfred's worm lizard | | South (Pattani and Yala) - endemic |
| Dibamus somsaki | Scincidae | Khao Soi Dao snake skink | Somsak's worm lizard | | Southeast (Chanthaburi) - endemic |
| Dopasia gracilis | Anguidae | Indian glass lizard | Indian glass snake | | North and northeast |
| Varanus rudicollis | Varanidae | Red-necked monitor | Rough-necked monitor lizard | เห่าช้าง | West and south |
| Varanus dumerilii | Varanidae | Harlequin monitor | Dumeril's monitor lizard | ตุ๊ดตู่ | West and south |
| Varanus salvator | Varanidae | Water monitor | | เหี้ย | Widespread |
| Varanus nebulosus | Varanidae | South-east Asian monitor | Clouded monitor | ตะกวดใต้, ตะกวดลายเมฆ | Widespread |

## Order Squamata, Suborder Serpentes (snakes)

| Scientific name | Family | Common name | Synonyms | Thai name | Geographical range |
| Ramphotyphlops lineatus | Typhlopidae | Striped blind snake | Lined blind snake | | Extreme south |
| Indotyphlops albiceps | Typhlopidae | White-headed blind snake | | งูดินหัวขาว | Widespread |
| Indotyphlops braminus | Typhlopidae | Common blind snake | Brahminy blind snake | งูดินธรรมดา, งูดินบ้าน | Widespread |
| Indotyphlops ozakiae | Typhlopidae | Ozaki's blind snake | | | Northeast (Nakhon Ratchasima) |
| Gerrhopilus floweri | Typhlopidae | Flower's blind snake | | | Central (Bangkok and Pathum Thani) - endemic |
| Indotyphlops khoratensis | Typhlopidae | Khorat blind snake | | งูดินโคราช | Northeast (Khorat Plateau) |
| Indotyphlops porrectus | Typhlopidae | Slender blind snake | Slender worm snake | | North (Chiang Mai) |
| Argyrophis trangensis | Typhlopidae | Trang blind snake | | | South (Trang) - endemic |
| Argyrophis diardii | Typhlopidae | Diard's blind snake | | | North, west, northeast and central |
| Argyrophis muelleri | Typhlopidae | Mueller's blind snake | | | Northeast, southeast and south |
| Argyrophis siamensis | Typhlopidae | Siamese blind snake | Thai blind snake | | Southeast (Chanthaburi) |
| Typhlops roxaneae | Typhlopidae | Roxane's blind snake | | | Central (Bangkok) - endemic |
| Cylindrophis ruffus | Cylindrophiidae | Red-tailed pipe snake | Common pipe snake | | Widespread |
| Xenopeltis unicolor | Xenopeltidae | Sunbeam snake | | งูแสงอาทิตย์ | Widespread |
| Malayopython reticulatus | Pythonidae | Reticulated python | | | Widespread |
| Python bivittatus | Pythonidae | Burmese python | Indian rock python | | Widespread except southern Peninsula |
| Python brongersmai | Pythonidae | Blood python | Brongersma's short-tailed python | | Peninsula |
| Acrochordus javanicus | Acrochordidae | Javan file snake | Elephant trunk snake | | Central, southeast and south |
| Acrochordus granulatus | Acrochordidae | Banded file snake | Wart snake, little file snake | | Peninsula and southeast |
| Aplopeltura boa | Colubridae | Blunt-headed tree snake | Blunt-headed slug-eating snake | | South (Chumphon southward) |
| Asthenodipsas laevis | Colubridae | Smooth slug-eating snake | | | South (Nakhon Sri Thammarat and Narathiwat) |
| Asthenodipsas malaccanus | Colubridae | Malaccan slug-eating snake | Malayan slug-eating snake | | Extreme south |
| Pareas carinatus | Colubridae | Keeled slug-eating snake | | งูกินทากเกล็ดสัน | Widespread |
| Pareas margaritophorus | Colubridae | White-spotted slug-eating snake | | งูกินทากจุดขาว, งูกินทากลายขาว | Widespread |
| Pareas macularius | Colubridae | Black-spotted slug-eating snake | Spotted slug-eating snake | | North (Chiang Mai) and northeast (Loei) |
| Pareas hamptoni | Colubridae | Hampton's slug-eating snake | | | Southeast (Chanthaburi) and south (Narathiwat) |
| Xenodermus javanicus | Colubridae | Rough-bodied dragon snake | Rough-backed litter snake | | Extreme south (Yala) |
| Parafimbrios lao | Colubridae | Laos odd-scaled snake | | | North (Nan) |
| Coelognathus flavolineatus | Colubridae | Yellow-striped racer | Yellow-striped trinket snake | งูทางมะพร้าวดำ, งูหลุนชุน | Northeast (Nakhon Ratchasima) and extreme south |
| Coelognathus radiatus | Colubridae | Copperhead racer | Copper-head trinket snake, radiated rat snake | งูทางมะพร้าวธรรมดา, งูทามะพร้าวลายขีด | Widespread |
| Oreocryptophis porphyraceus | Colubridae | Red mountain racer | Red bamboo trinket snake | | North and northeast |
| Orthriophis taeniurus | Colubridae | Yellow black-tailed racer | Cave racer | | Widespread except central |
| Gongylosoma oxycephalum | Colubridae | Red-tailed racer | Flower's racer | | Widespread |
| Gonyosoma prasinus | Colubridae | Green mountain racer | Green trinket snake | | North, northeast and south |
| Ptyas korros | Colubridae | Indochinese rat snake | Javan rat snake | งูสิงบ้าน, งูเห่าตะลาน | Widespread |
| Ptyas mucosa | Colubridae | Common rat snake | Indian rat snake, Oriental rat snake | | Widespread |
| Ptyas carinata | Colubridae | Keeled rat snake | Malayan keeled rat snake | | Widespread |
| Ptyas fusca | Colubridae | White-bellied rat snake | | | South |
| Xenelaphis hexagonotus | Colubridae | Malayan brown snake | | | South |
| Gongylosoma scriptum | Colubridae | Common ringneck | Indochinese ground snake | งูสายทองคอแหวน | Widespread except southeast |
| Gongylosoma baliodeirum | Colubridae | Striped ringneck | Orange-bellied snake | | Southeast (Chanthaburi) and extreme south |
| Gongylosoma longicaudata | Colubridae | Long-tailed ringneck | | | Extreme south (Narathiwat) |
| Liopeltis tricolor | Colubridae | Three-coloured ringneck | Tricoloured ringneck | | Peninsula |
| Oligodon cinereus | Colubridae | Ashy kukri snake | Grey kukri snake | งูปี่แก้วลายกระ | North and northeast |
| Oligodon inornatus | Colubridae | Inornate kukri snake | Unicoloured kukri snake | งูปี่แก้วสีจาง | West, northeast and southeast |
| Oligodon joynsoni | Colubridae | Joynson's kukri snake | | | Central and northeast - endemic |
| Oligodon purpurascens | Colubridae | Purple kukri snake | | | South |
| Oligodon catenatus | Colubridae | Blyth's kukri snake | ChIain-banded kukri snake | | Northeast |
| Oligodon jintakunei | Colubridae | Jintakune's kukri snake | | | South (Krabi) - endemic |
| Oligodon fasciolatus | Colubridae | Banded kukri snake | Small-banded kukri snake | งูปี่แก้วลายแต้ม | North, northeast and southeast |
| Oligodon taeniatus | Colubridae | Striped kukri snake | | งูงอดไทย, งูงอดหลังลาย | Central and northeast |
| Oligodon mouhoti | Colubridae | Cambodian kukri snake | | | Central and southeast |
| Oligodon barroni | Colubridae | Barron's kukri snake | | | Central and southeast |
| Oligodon dorsalis | Colubridae | Gray's kukri snake | Bengalese kukri snake | | No information |
| Oligodon theobaldi | Colubridae | Theobald's kukri snake | | | West (Tak) |
| Calamaria lumbricoidea | Colubridae | Variable reed snake | | | Extreme south |
| Calamaria pavimentata | Colubridae | Collared reed snake | Brown reed snake | งูพงอ้อท้องเหลือง, งูพงอ้อสีน้ำตาล | North and southeast |
| Calamaria schlegeli | Colubridae | Red-headed reed snake | | | Extreme south (Pattani) |
| Pseudorabdion longiceps | Colubridae | Long-headed reed snake | Dwarf reed snake | | Extreme south (Narathiwat and Yala) |
| Macrocalamus lateralis | Colubridae | Malayan mountain reed snake | Striped reed snake | | South (Nakhon Sri Thammarat and Narathiwat) |
| Dendrelaphis caudolineatus | Colubridae | Striped bronzeback | Stripe-tailed bronzeback tree snake | | South |
| Dendrelaphis subocularis | Colubridae | Mountain bronzeback | | | North, west and northeast |
| Dendrelaphis kopsteini | Colubridae | Elegent bronzeback | Kopstein's bronzeback tree snake | | South |
| Dendrelaphis cyanochloris | Colubridae | Wall's bronzeback | Blue bronzeback | | Peninsula |
| Dendrelaphis pictus | Colubridae | Common bronzeback | Painted bronzeback tree snake | | Widespread |
| Dendrelaphis ngansonensis | Colubridae | Vietnamese bronzeback | Nganson bronzeback | | Southeast (Chanthaburi) |
| Dendrelaphis striatus | Colubridae | Banded bronzeback | Striated bronzeback tree snake | | South |
| Dendrelaphis nigroserratus | Colubridae | Sawtooth-necked bronzeback | | | |
| Chrysopelea paradisi | Colubridae | Paradise tree snake | Garden flying snake | | South |
| Chrysopelea ornata | Colubridae | Golden tree snake | Ornate flying snake | งูเขียวพระอินทร์, งูเขียวดอกหมาก | Widespread |
| Chrysopelea pelias | Colubridae | Twin-barred tree snake | Twin-barred flying snake | | South (Nakhon Sri Thammarat and Songkhla) |
| Lycodon capucinus | Colubridae | Common wolf snake | Island wolf snake | งูปล้องฉนวนสร้อยเหลือง, งูสร้อยเหลือง | Widespread |
| Lycodon subcinctus | Colubridae | Malayan banded wolf snake | White-banded wolf snake | งูปล้องฉนวนบ้าน | Widespread |
| Lycodon laoensis | Colubridae | Yellow-barred wolf snake | Laos wolf snake | งูปล้องฉนวนลายเหลือง, งูปล้องฉนวนลาว | Widespread |
| Lycodon butleri | Colubridae | Butler's wolf snake | | | South |
| Lycodon effraenis | Colubridae | Brown wolf snake | | | Extreme south (Yala and Narathiwat) |
| Lycodon fasciatus | Colubridae | Indian banded wolf snake | | งูปล้องฉนวนเมืองเหนือ | Widespread except Peninsula |
| Lycodon cardamomensis | Colubridae | Cardamom wolf snake | | | Southeast (Chanthaburi) |
| Lycodon ophiophagus | Colubridae | Snake-eater wolf snake | | | |
| Lycodon septentrionalis | Colubridae | Hill wolf snake | Northern large-toothed snake, white-banded wolf snake | | North (Chiang Mai and Nan) |
| Lycodon albofuscus | Colubridae | Slender wolf snake | | | South |
| Lycodon davisonii | Colubridae | Common bridle snake | Davison's bridled snake, Blanford's bridled snake | งูปล้องฉนวนอินเดีย, งูปล้องฉนวนตับจาก, งูปล้องฉนวนป่าต่ำ | Widespread |
| Lycodon subannulatus | Colubridae | Malayan bridle snake | Half-banded bridled snake | | South |
| Stegonotus borneensis | Colubridae | Borneo red snake | | | South (Nakhon Sri Thammarat) |
| Plagiopholis nuchalis | Colubridae | Burmese mountain snake | Common blotch-necked snake, Assam mountain snake | | North, west and northeast |
| Plagiopholis blakewayi | Colubridae | Blakeway's mountain snake | Blakeway's blotch-necked snake | | North (Chiang Mai) |
| Sibynophis melanocephalus | Colubridae | Malayan blackhead | White-lipped black-headed snake | | Extreme south (Pattani and Narathiwat) |
| Sibynophis triangularis | Colubridae | Triangle blackhead | Triangled black-headed snake | งูคอขวั้นหัวลายสามเหลี่ยม, งูสาบหญ้าแดง | Southeast - endemic |
| Sibynophis collaris | Colubridae | Collared blackhead | Collared black-headed snake | งูคอขวั้นหัวดำ, งูสาบหญ้คอดำ | Widespread except Peninsula |
| Boiga drapiezii | Colubridae | White-spotted cat snake | White-toothed cat snake | | South |
| Boiga multomaculata | Colubridae | Many-spotted cat snake | | งูแม่ตะงาว | Widespread |
| Boiga cyanea | Colubridae | Green cat snake | | งูเขียวบอน, งูเขียวดง | Widespread |
| Boiga saengsomi | Colubridae | Banded green cat snake | | | South (Krabi) - endemic |
| Boiga denrophila | Colubridae | Mangrove cat snake | | | South |
| Boiga nigriceps | Colubridae | Red cat snake | Black-headed cat snake | | Extreme south (Pattani and Narathiwat) |
| Boiga jaspidea | Colubridae | Jasper cat snake | | | South |
| Boiga siamensis | Colubridae | Grey cat snake | Thai cat snake, Siamese cat snake | งูแส้หางม้า, งูแส้หางม้าเล็ก, งูตาแมวเล็ก | Widespread except southern Peninsula |
| Boiga cynodon | Colubridae | Dog-toothed cat snake | | | South |
| Boiga bengkuluensis | Colubridae | Bengkulu cat snake | | | |
| Psammodynastes pulverulentus | Colubridae | Common mock viper | | | Widespread |
| Psammophis indochinensis | Colubridae | Indochinese sand snake | | | North and central |
| Ahaetulla prasina | Colubridae | Oriental whip snake | Oriental vine snake | งูเขียวหัวจิ้งจก, งูง่วงกลางดง, งูกล่อมนางนอน | Widespread |
| Ahaetulla mycterizans | Colubridae | Malayan green whip snake | Malayan vine snake | | South |
| Ahaetulla nasuta | Colubridae | Long-nosed whip snake | Indian vine snake | งูเขียวปากแหนบ | Central and southeast |
| Ahaetulla fasciolata | Colubridae | Speckle-headed whip snake | Speckle-headed vine snake | | South |
| Dryophiops rubescens | Colubridae | Brown whip snake | Keel-bellied whip snake | | South |
| Sinonatrix percarinatus | Colubridae | Chinese keelback | Chinese keelback water snake | | North and northeast |
| Sinonatrix yunnanensis | Colubridae | Yunnan keelback | | | North |
| Fowlea flavipunctatus | Colubridae | Common keelback | Yellow-spotted keelback water snake | งูลายสอสวน, งูลายสอบ้าน | Widespread |
| Fowlea piscator | Colubridae | Chequered keelback | Chequered keelback water snake | งูลายสอใหญ่ | North |
| Fowlea punctulatus | Colubridae | Burmese keelback | Spotted keelback water snake | | North (Mae Hong Son) |
| Xenochrophis trianguligerus | Colubridae | Triangle keelback | Red-sided keelback water snake | | West and south |
| Opisthotropis spenceri | Colubridae | Spencer's mountain keelback | Spencer's stream snake | | North (Phrae) - endemic |
| Opisthotropis maculosus | Colubridae | Yellow-spotted mountain keelback | Spotted mountain stream snake | | Northeast (Bueng Kan) - endemic |
| Paratapinophis praemaxillaris | Colubridae | Angel's mountain keelback | Brown stream snake | | North (Chiang Mai and Nan) |
| Parahelicops boonsongi | Colubridae | Boonsong's mountain keelback | | | Northeast (Loei) - endemic |
| Rhabdophis subminiatus | Colubridae | Red-necked keelback | | งูลายสาบคอแดง | Widespread |
| Rhabdophis nigrocinctus | Colubridae | Green keelback | Black-banded keelback | งูลายสาบเขียวขวั้นดำ | Widespread |
| Rhabdophis chrysargos | Colubridae | Speckle-bellied keelback | | | Widespread |
| Rhabdophis rhodomelas | Colubridae | Blue-necked keelback | | | South |
| Rhabdophis flaviceps | Colubridae | Red-headed keelback | Orange-lipped keelback | | South |
| Hebius boulengeri | Colubridae | Boulenger's keelback | | | Northeast (Nakhon Ratchasima) |
| Hebius deschauenseei | Colubridae | Northern keelback | Deschauensee's keelback | | North and northeast (Chiang Mai and Uthai Thani) |
| Hebius groundwateri | Colubridae | Groundwater's keelback | | | Peninsula (Chumphon) - endemic |
| Hebius inas | Colubridae | Malayan mountain keelback | Gunung Inas keelback | | South (Nakhon Sri Thammarat) |
| Hebius khasiensis | Colubridae | Khasi keelback | | | North and northeast |
| Hebius bitaeniatus | Colubridae | Striped keelback | Two-striped keelback | | North (Chiang Mai and Nan) |
| Amphiesma stolatum | Colubridae | White-striped keelback | Buff-striped keelback | งูลายสาบดอกหญ้า | Widespread except south |
| Pseudoxenodon macrops | Colubridae | Large-eyed bamboo snake | Large-eyed false cobra | | North, northeast, west and south |
| Subsessor bocourti | Homalopsidae | Bocourt's water snake | | | Central, southeast and south |
| Hypsiscopus plumbea | Homalopsidae | Boie's mud snake | Grey water snake, rice paddy snake | งูปลิง | Widespread |
| Enhydris enhydris | Homalopsidae | Rainbow water snake | | | Widespread except north |
| Enhydris subtaeniata | Homalopsidae | Mekong mud snake | Indochinese water snake | | Central, southeast and northeast |
| Enhydris jagorii | Homalopsidae | Bangkok mud snake | Jagor's water snake | | Central and southeast |
| Enhydris chanardi | Homalopsidae | Chan-ard's water snake | | | Central - endemic |
| Homalopsis buccata | Homalopsidae | Puff-faced water snake | | | Widespread except north |
| Homalopsis negroventralis | Homalopsidae | Deuve's water snake | Cambodian puff-faced water snake | | Northeast (Nakhon Phanom and Sakhon Nakhon) |
| Homalopsis mereljcoxi | Homalopsidae | Jack's water snake | | | |
| Cerberus rynchops | Homalopsidae | Asian bockadam | Dog-faced water snake | | Central, southeast and south |
| Cerberus schneiderii | Homalopsidae | South-east Asian bockadam | | | West (Phetchaburi) |
| Gerada prevostiana | Homalopsidae | Gerard's water snake | Glossy marsh snake | | Central |
| Fordonia leucobadia | Homalopsidae | Crab-eating water snake | Crab-eating mangrove snake | | South (Phuket to Satun) |
| Cantoria violacea | Homalopsidae | Cantor's mangrove snake | Yellow-banded mangrove snake | | South (Phuket) |
| Bitia hydroides | Homalopsidae | Keel-bellied estuarine snake | Keel-bellied water snake | | Central (Bangkok) |
| Erpeton tentaculatus | Homalopsidae | Tentacled snake | | | Central, southeast and south |
| Bungarus flaviceps | Elapidae | Red-headed krait | | | Peninsula |
| Bungarus candidus | Elapidae | Blue krait | Malayan krait | งูทับสมิงคลา, งูทับทางขาว, งูปล้องเงิน | Widespread |
| Bungarus fasciatus | Elapidae | Banded krait | | งูสามเหลี่ยม, งูทับทางเหลือง, งูปล้องทอง | Widespread |
| Bungarus multicinctus | Elapidae | Many-banded krait | | | North |
| Naja kaouthia | Elapidae | Monocled cobra | | | Widespread |
| Naja siamensis | Elapidae | Indochinese spitting cobra | | งูเห่าพ่นพิษสยาม | Central, southeast and northeast |
| Naja sumatrana | Elapidae | Sumatran spitting cobra | | | South |
| Ophiophagus hannah | Elapidae | King cobra | | งูจงอาง, งูบองหลา | Widespread |
| Calliophis gracilis | Elapidae | Spotted coral snake | | | South (Pattani) |
| Calliophis bivirgatus | Elapidae | Blue long-glanded coral snake | Blue coral snake | | Extreme south |
| Calliophis intestinalis | Elapidae | Brown long-glanded coral snake | Malayan striped coral snake | | South |
| Calliophis maculiceps | Elapidae | Small-spotted coral snake | Speckled coral snake | งูปล้องหวายหัวดำ | Widespread |
| Sinomicrurus macclellandi | Elapidae | MacClelland's coral snake | | | Widespread except peninsula |
| Laticauda colubrina | Hydrophiidae | Yellow-lipped sea krait | | | South (Phuket) |
| Laticauda laticaudata | Hydrophiidae | Black-banded sea krait | Large-scaled sea krait | | South (east coast) |
| Acalyptophis eydouxii | Hydrophiidae | Spot-banded sea krait | Beaded sea snake | | Central (Gulf coast) |
| Lapemis curtus | Hydrophiidae | Hardwicke's sea snake | Short sea snake | | Central, southeast and south |
| Kolpophis annandalei | Hydrophiidae | Annandale's sea snake | | | South (east coast) |
| Disteira nigrocincta | Hydrophiidae | Black-banded sea snake | | | South (Phuket to Krabi) |
| Hydrophis stokesii | Hydrophiidae | Stokes's sea snake | | | Central and south |
| Enhydrina schistoma | Hydrophiidae | Beaked sea snake | | | Central and south |
| Kerilia jerdonii | Hydrophiidae | Jerdon's snake | Saddle-backed sea snake | | South |
| Thalassophis anomalus | Hydrophiidae | Anomalous sea snake | | | Southeast |
| Acalyptophis peronii | Hydrophiidae | Peron's sea snake | Horned sea snake | | Southeast and south (east coast) |
| Pelamis platura | Hydrophiidae | Yellow-bellied sea snake | | | Central, southeast and south |
| Hydrophis viperinus | Hydrophiidae | Viperine sea snake | Grey sea snake | | Central and south |
| Hydrophis cantoris | Hydrophiidae | Gunther's sea snake | Cantor's sea snake | | South (west coast) |
| Hydrophis gracilis | Hydrophiidae | Graceful sea snake | Narrow-headed sea snake | | South |
| Hydrophis klossi | Hydrophiidae | Kloss's sea snake | | | South |
| Hydrophis melanosoma | Hydrophiidae | Black sea snake | | | Southeast and south |
| Hydrophis obscurus | Hydrophiidae | Daudin's sea snake | | | South (west coast) |
| Hydrophis brookii | Hydrophiidae | Brook's sea snake | | | South |
| Hydrophis fasciatus | Hydrophiidae | Striped sea snake | Banded sea snake | | South |
| Hydrophis nigrocinctus | Hydrophiidae | Black-banded sea snake | | | South |
| Hydrophis belcheri | Hydrophiidae | Faint-banded sea snake | | | South |
| Hydrophis hardwickii | Hydrophiidae | Hardwicke's spine-bellied sea snake | | | South |
| Hydrophis atriceps | Hydrophiidae | Black-headed sea snake | Garlanded sea snake | | Southeast and south (east coast) |
| Hydrophis lapemoides | Hydrophiidae | Persian Gulf sea snake | | | South |
| Hydrophis bituberculatus | Hydrophiidae | Biturberculated sea snake | Two-wattled sea snake | | South (west coast) |
| Hydrophis inornatus | Hydrophiidae | Inornate sea snake | | | Central and south |
| Hydrophis spiralis | Hydrophiidae | Yellow sea snake | | | Central and south |
| Hydrophis ornatus | Hydrophiidae | Reef sea snake | Ornate sea snake | | Central and south |
| Hydrophis lamberti | Hydrophiidae | Lambert's sea snake | | | Central and south |
| Polydontognathus caerulescens | Hydrophiidae | Dark blue-banded sea snake | Blue-grey sea snake | | Central and south |
| Leioselasma cyanocinctus | Hydrophiidae | Blue-banded sea snake | Annulated sea snake | | Southeast and south |
| Daboia siamensis | Viperidae | Siamese viper | | | Central |
| Calloselasma rhodostoma | Crotalidae | Malayan pit viper | | งูกะปะ, งูขว้างค้อน | Widespread |
| Ovophis monticola | Crotalidae | Indo-Malayan mountain pit viper | Malayan brown pit viper | | Widespread except Peninsula |
| Trimeresurus albolabris | Crotalidae | White-lipped pit viper | | งูเขียวหางไหม้ท้องเหลือง | Widespread |
| Trimeresurus purpureomaculatus | Crotalidae | Mangrove pit viper | | | South |
| Trimeresurus macrops | Crotalidae | Large-eyed pit viper | | งูเขียวหางไหม้ตาโต, งูเขียวหางไม้สีมะกอก | Northeast and southeast |
| Trimeresurus kanburiensis | Crotalidae | Kanburi pit viper | | | West (Kanchanaburi) - endemic |
| Trimeresurus venustus | Crotalidae | Brown-spotted pit viper | Beautiful pit viper | | South (Surat Thani and Nakhon Sri Thammarat) |
| Trimeresurus phuketensis | Crotalidae | Phuket pit viper | | | |
| Trimeresurus gumprechti | Crotalidae | Gumprecht's green pit viper | | | Northeast |
| Trimeresurus vogeli | Crotalidae | Vogel's pit viper | | งูเขียวไผ่หางเขียว | Northeast and southeast |
| Trimeresurus sumatranus | Crotalidae | Sumatran pit viper | | | Extreme south (Pattani and Narathiwat) |
| Trimeresurus hageni | Crotalidae | Hagen's green pit viper | | | South |
| Trimeresurus popeiorum | Crotalidae | Pope's pit viper | | | North and west |
| Trimeresurus fucatus | Crotalidae | Banded pit viper | Thai Peninsula pit viper | | South |
| Trimeresurus nebularis | Crotalidae | Clouded pit viper | | | Extreme south (Narathiwat) |
| Trimeresurus wiroti | Crotalidae | Wirot's palm pit viper | | | South (Phattalung and Narathiwat) |
| Trimeresurus cardamomensis | Crotalidae | Cardamom green pit viper | | | Southeast |
| Tropidolaemus wagleri | Crotalidae | Wagler's pit viper | | | South |

## Common species

Reptile species commonly found in anthropogenically modified environments (i.e., near human settlements) include:
* Calotes versicolor (oriental garden lizard)
* Eutropis macularia (bronze grass skink)
* Eutropis multifasciata (common sun skink)
* Gekko gecko (tokay gecko)
* Gehyra mutilata (stump-toed gecko)
* Hemidactylus frenatus (common house gecko)
* Hemidactylus platyurus (flat-tailed house gecko)
* Ramphotyphlops braminus (common blind snake)
* Python reticulatus (reticulated python)
* Dendrelaphis pictus (painted bronzeback)
* Enhydris plumbea (rice paddy snake)
* Ptyas mucosa (oriental ratsnake)
* Rhabdophis subminiatus (red-necked keelback)
* Bungarus fasciatus (banded krait)