ムラサキシジミ属（学名：）は、シジミチョウ科ミドリシジミ亜科の非常に大きな属である。

また、ムラサキシジミ族のタイプ属でもある。

oakbluesと総称される200を超える種が含まれている。

ムラサキシジミ属は、日本、温帯から熱帯アジア、ヒマラヤの南と東、オーストラリアとメラネシアのソロモン諸島に生息する。

近縁の多くの属と同様に、幼虫はアリに保護されている。

 体系学 
この属には以前は独立していた属が多数含まれる。

ムラサキシジミ属のシノニム:

 Acesina Moore, 1884
 Aurea Evans, 1957
 Daranasa Moore, 1884 (lapsus)

 "Iois" Doherty, 1899 (裸名)
 Narathura Moore, 1879
 Nilasera Moore, 1881
 Panchala Moore, 1882
 Satadra Moore, 1884

 種 
属する種は以下のとおり。

種はアルファベット順に掲載されているが、グループは推定される系統発生順に掲載されている。

和名は による。

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centaurus group (有効な場合Nilasera亜属)
 Arhopala acron シロムラサキシジミ
 Arhopala adherbal Grose-Smith, 1902
 Arhopala admete (Hewitson, 1863) シロオビムラサキシジミ
 Arhopala aexone (Hewitson, )
 Arhopala alkisthenes Fruhstorfer, 1914
 Arhopala amantes – large oakblue
 Arhopala ander
 Arhopala araxes C. & R.Felder, コバルトシジミ
 Arhopala azenia
 Arhopala centaurus – centaur oakblue, dull oakblue
 Arhopala eucolpis
 Arhopala eupolis (Miskin, 1890)
 Arhopala eurisus
 Arhopala kiriwinii Bethune-Baker, 1903
 Arhopala leander (Evans, 1957) 
 Arhopala madytus – bright oakblue
 Arhopala meander Boisduval, 1832
 Arhopala micale ミカレムラサキシジミ
 Arhopala philander C. & R.Felder, 
 Arhopala sophrosyne
 Arhopala styx
 Arhopala wandaagesias group Arhopala agesias (Hewitson, 1862)
 Arhopala ijanensis Bethune-Baker, 1897
 Arhopala kinabala Druce, 1895
 Arhopala similis Druce, 1895anthelus group (有効な場合Narathura亜属)
 Arhopala achelous (Hewitson, 1862)
 Arhopala antharita Grose-Smith, 1894
 Arhopala anthelus コバルトムラサキシジミ – anthelus bushblue
 Arhopala auxesia
 Arhopala aedias (Hewitson, 1862) 
 Arhopala hypomuta (Hewitson, 1862) camdeo group camdeo subgroup Arhopala anarte (Hewitson, 1862) – magnificent oakblue
 Arhopala belphoebe Doherty, 1889
 Arhopala camdana Corbet, 1941
 Arhopala camdeo (Moore, ) – lilac oakblue
 Arhopala dispar Riley & Godfrey, 1921
 Arhopala hayashihisakazui Seki & Treadaway, 2013　
 Arhopala hellada Fruhstorfer, 1914
 Arhopala johoreana Corbet, 1941
 Arhopala opalina – opal oakblue
 Arhopala semperi Bethune-Baker, 1896
 Arhopala trionoea Semper, 1890 
 Arhopala varro Fruhstorfer, 1914

 myrzala subgroup Arhopala bazaloides – Tamil oakblue
 Arhopala myrzala (Hewitson, 1869)
 Arhopala myrzalina Corbet, 1941oenea group Arhopala allata
 Arhopala allata suffusa – Tytler's rosy oakblue
 Arhopala khamti Doherty, 1891 – Khamti oakblue, Doherty's dull oakblue
 Arhopala oenea (Hewitson, 1869) – Hewitson's oakblueepimuta group Arhopala atosia (Hewitson, )
 Arhopala epimuta (Moore, )
 Arhopala lurida Corbet, 1941amphimuta group amphimuta subgroup Arhopala alica (Evans, 1957)
 Arhopala amphimuta (C. & R.Felder, 1860)
 Arhopala avathina Corbet, 1941
 Arhopala baluensis Bethune-Baker, 1904
 Arhopala dajagaka Bethune-Baker, 1896
 Arhopala delta (Evans, 1957)
 Arhopala inornata (C. & R.Felder, 1860)
 Arhopala kurzi (Distant, 1885)
 Arhopala major (Staudinger, 1889)
 Arhopala moolaiana (Moore, )
 Arhopala norda (Evans, 1957)
 Arhopala sceva Bethune-Baker, 1903
 Arhopala stubbsi Eliot, 1962
 Arhopala zylda Corbet, 1941

 muta subgroup Arhopala moorei Bethune-Baker, 1896
 Arhopala muta (Hewitson, 1862)
 Arhopala tropaea Corbet, 1941

 perimuta subgroup (有効な場合Darasana亜属)
 Arhopala antimuta C. & R.Felder, 
 Arhopala metamuta (Hewitson, )
 Arhopala perimuta (Moore, ) – yellow-disk tailless oakblueagesilaus group Arhopala agesilaus (Staudinger, 1889)
 Arhopala avatha de Nicéville, 
 Arhopala democritus (Fabricius, 1793) シンジュムラサキシジミalitaeus group Arhopala aida de Nicéville, 1889
 Arhopala alitaeus
 Arhopala ariana (Evans, )
 Arhopala arianaga Corbet, 1941
 Arhopala denta (Evans, 1957)
 Arhopala elopura Druce, 1894
 Arhopala havilandi Bethune-Baker, 1896
 Arhopala pseudomuta (Staudinger, 1889)
 Arhopala sintanga Corbet, 1948agrata group Arhopala ace de Nicéville, – Tytler's oakblue
 Arhopala agrata – de Niceville's oakblue
 Arhopala azinis de Nicéville, cleander group cleander subgroup Arhopala aruana (Evans, 1957)
 Arhopala ate (Hewitson, 1863)
 Arhopala athada (Staudinger, 1889)
 Arhopala cleander (C.Felder, 1860)
 Arhopala silhetensis – Sylhet oakblue
 Arhopala zambra Swinhoe, 

 alea subgroup Arhopala aenigma Eliot, 1972
 Arhopala agaba – purple-glazed oakblue
 Arhopala alea – rosy oakblue
 Arhopala aroa (Hewitson, )
 Arhopala aurelia (Evans, )
 Arhopala evansi Corbet, 1941
 Arhopala milleri Corbet, 1941
 Arhopala normani Eliot, 1972
 Arhopala phaenops C. & R.Felder, (A. detritaを含む)
 Arhopala phanda Corbet, 1941

 Arhopala selta (Hewitson, 1869)
 Arhopala sublustris Bethune-Baker, 1904
 Arhopala vihara (C. & R. Felder, 1860) eumolphus group Arhopala acta (Evans, 1957)
 Arhopala asma (Evans, 1957)
 Arhopala bazalus ムラサキツバメ – powdered oakblue
 Arhopala chamaeleona Bethune-Baker, 1903
 Arhopala corinda (Hewitson, 1869) 
 Arhopala critala (Felder, 1860)
 Arhopala eumolphus マルバネミドリムラサキシジミ – green oakblue
 Arhopala florinda (Grose-Smith, 1896)
 Arhopala hellenore Doherty, 1889 ミドリムラサキシジミ – Doherty's green oakblue
 Arhopala horsfieldi
 Arhopala irma Fruhstorfer, 1914
 Arhopala nobilis (Felder, 1860)
 Arhopala overdijkinki Corbet, 1941
 Arhopala pagenstecheri
 Arhopala tameanga Bethune-Baker, 1896
 Arhopala wildei Miskin, 1891rama group Arhopala arvina (Hewitson, ) フチナシムラサキシジミ – purple-brown tailless oakblue
 Arhopala buddha Bethune-Baker, 1903
 Arhopala paralea – glazed oakblue
 Arhopala rama – dark Himalayan oakblueagelastus group Arhopala agelastus (Hewitson, 1862)
 Arhopala alaconia (Hewitson, 1869)
 Arhopala alesia – pallid oakblue
 Arhopala barami Bethune-Baker, 1903
 Arhopala cardoni Corbet, 1941
 Arhopala epimete (Staudinger, 1889)
 Arhopala labuana Bethune-Baker, 1896
 Arhopala wildeyana Corbet, 1941fulla group Arhopala disparilis
 Arhopala fulla (Hewitson, 1862) – spotless oakblueaurea group (有効な場合Aurea亜属)
 Arhopala aurea (Hewitson, 1862)
 Arhopala borneensis Bethune-Baker, 1896
 Arhopala caeca (Hewitson, )
 Arhopala stinga (Evans, 1957)
 Arhopala trogon (Distant, 1884)ganesa group (有効な場合Panchala亜属)
 Arhopala ammon – Malayan oakblue
 Arhopala ammonides (Doherty, 1891)
 Arhopala ariel (Doherty, 1891)
 Arhopala elizabethae (Eliot, 1959)
 Arhopala ganesa ルーミスシジミ – tailless bushblue
 Arhopala paraganesa (de Nicéville, 1882) – dusky bushblue
 Arhopala tomokoae (H. Hayashi, 1976) abseus group Arhopala abseus ムシャムラサキシジミ – aberrant oakblue, aberrant bushblue
 Arhopala anella de Nicéville, thamyras group Arhopala arta
 Arhopala axina
 Arhopala axiothea
 Arhopala doreena
 Arhopala helianthes
 Arhopala thamyras (Linnaeus, 1764) タミラスムラサキシジミhercules group Arhopala hercules (Hewitson, 1862) ヘルクレスムラサキシシジミ
 Arhopala herculina Staudinger, 1888
 Arhopala leo
 Arhopala sophilus
 Arhopala tyrannus

</div>Incertae sedis

 Arhopala aberrans (de Nicéville, ) – pale bushblue
 Arhopala acetes (Hewitson, 1862)
 Arhopala aeeta de Nicéville, 
 Arhopala alax – silky oakblue
 Arhopala alexandrae Schröder & Treadaway, 1978
 Arhopala anamuta Semper, 1890
 Arhopala annulata (Felder, 1860)
 Arhopala argentea Staudinger, 1888
 Arhopala aronya (Hewitson, 1869)
 Arhopala arsenius (C. & R.Felder, )
 Arhopala asinarus C. & R.Felder, 
 Arhopala asopia (Hewitson, ) – plain tailless oakblue
 Arhopala atrax – dark broken-band oakblue, Indian oakblue (Satadra属のtype species)
 Arhopala bella Bethune-Baker, 1896
 Arhopala birmana (Moore, ) – Burmese bushblue
 Arhopala brooksiana Corbet, 1941
 Arhopala comica de Nicéville, 1900 – comic oakblue
 Arhopala curiosa (Evans, 1957)
 Arhopala davaona Semper, 1890
 Arhopala dodonaea – pale Himalayan oakblue
 Arhopala dohertyi Bethune-Baker, 1903
 Arhopala eridanus
 Arhopala grandimuta Seki, 1993
 Arhopala halma (Evans, 1957)
 Arhopala halmaheira Bethune-Baker, 1904
 Arhopala hellenoroides Chou & Gu, 1994
 Arhopala hesba (Hewitson, 1869)
 Arhopala hinigugma Takanami, 1985
 Arhopala hylander
 Arhopala ilocana Osada & Hashimoto, 1987
 Arhopala irregularis Bethune-Baker, 1903

 Arhopala japonica ムラサキシジミ – Japanese oakblue
 Arhopala lata (Evans, 1957)
 Arhopala luzonensis Takanami & Ballantine, 1987
 Arhopala matsutaroi (H. Hayashi, 1979) 
 Arhopala mimsyi Tennent, 1999
 Arhopala myrtha (Staudinger, 1889)
 Arhopala nicevillei Bethune-Baker, 1903
 Arhopala ocrida (Hewitson, 1869)
 Arhopala ormistoni – Ormiston's oakblue
 Arhopala paramuta – hooked oakblue
 Arhopala phryxus Boisduval, 1832
 Arhopala pseudovihara (H. Hayashi, 1981) 
 Arhopala qiongdaoensis Chou & Gu, 1994
 Arhopala quercoides (Röber, 1886)
 Arhopala rudepoema Seki, 
 Arhopala sakaguchii (H. Hayashi, 1981) 
 Arhopala sangira Bethune-Baker, 1897
 Arhopala siabra
 Arhopala simoni Schröder & Treadaway, 1999
 Arhopala singla (de Nicéville, 1885) – yellow-disk oakblue
 Arhopala staudingeri Semper, 1890
 Arhopala straatmani
 Arhopala tephlis (Hewitson, 1869)
 Arhopala theba (Hewitson, )
 Arhopala tindongani Nuyda & Takanami, 1990
 Arhopala weelii Piepers & Snellen, 1918
 Arhopala zeta