# Seo In-guk discography

South Korean singer and actor Seo In-guk has released one studio album, five extended plays (EPs), one single album, and fourteen singles.

## Albums
### Studio albums

| Title | Details | Peak chart positions | Sales |
| Title | Details | JPN | Sales |
| Everlasting | Released: January 15, 2014 (JPN) Label: Nippon Crown Format: CD, CD+DVD, digital download Track listing Everlasting Love Only One My Voice Toxic Girl We Can Dance Tonight Lovely Girl 恋しくて Deep Inside My Heart Fly Away Just One Ring Space de Tour Hands Up! | 17 | JPN: 3,456 |

### Compilation albums

| Title | Album details | Peak chart positions | Sales |
| Title | Album details | JPN | Sales |
| Last Song | Released: February 25, 2015 (JPN) Label: Nippon Crown Format: CD, CD+DVD, digital download Track listing Fly Away We Can Dance Tonight Everlasting Love もう、会えなくて。 瞳の中のフォトグラフ 恋しくて Toxic Girl Best Friend Hands Up! 遠ざかる (韓国語Ver.) Mellow Spring 呼ぶよ | 38 | JPN: 3,190 |

### Single albums

| Title | Album details | Peak chart positions | Sales |
| Title | Album details | KOR | Sales |
| Love&Love | Released: June 14, 2022 (KOR) Label: AER Music Format: CD, digital download, streaming Track listing "My Love" (feat. Ravi) "Be My Melody" (질리지 않는 노래) "My Love" (Instrumental) | 47 | KOR: 10,000 |
| Seo In Guk | Released: June 19, 2024 Label: Episode Music Format: CD, digital download, streaming | 14 | KOR: 19,724 |

## Extended plays

| Title | Details | Peak chart positions | Peak chart positions | Sales |
| Title | Details | KOR | JPN | Sales |
| Calling (부른다) | Released: October 27, 2009 (KOR) Label: CJ E&M, Genie Music, Stone Music Entertainment Format: CD, digital download, streaming Track listing Young Love Calling (부른다) Beautiful Separation (아름다운 이별) | — | — | |
| Just Beginning | Released: May 6, 2010 (KOR) Label: Jellyfish Entertainment, Kakao M Format: CD, digital download, streaming Track listing Beginning I Love U (사랑해 U) Last Birthday (마지막 생일) Why Only Smile (왜 웃기만해) Prime Time (feat. Lisa) At First Sight (첫눈에) (feat. Bekah of After School) | 8 | — | |
| My Baby U (애기야) | Reissue of Just Beginning Released: August 10, 2010 (KOR) Label: Jellyfish Entertainment, Kakao M Format: CD, digital download, streaming Track listing Beginning I Love U (사랑해 U) My Baby U (애기야) Last Birthday (마지막 생일) Why Only Smile (왜 웃기만해) Prime Time (feat. Lisa) At First Sight (첫눈에) (feat. Bekah of After School) I Love U (사랑해 U) (Lovely Ver.) | 14 | — | |
| Perfect Fit | Released: April 12, 2012 (KOR) Label: Jellyfish Entertainment, Kakao M Format: CD, digital download, streaming Track listing Bad Tease Me (밀고 당겨줘) Time Machine (feat. Swings) Brand New Day Tease Me (밀고 당겨줘) (Inst.) | 15 | — | KOR: 3,145 |
| Hug | Released: June 25, 2014 (JPN) Label: Nippon Crown Format: CD, CD+DVD, digital download Track listing もう、会えなくて。 君の色 Good-Bye Dear 瞳の中のフォトグラフ 遠ざかる (Korean Ver.) 美しい絶望 遠ざかる (Japanese Ver.) (Bonus Track) | — | 28 | |
| SIGnature | Released: June 25, 2014 (JPN) Label: Muport Format: CD, CD+DVD, digital download Track listing 空のかおり (하늘의 향기) 運命の糸 (운명의 실) Right Now Galaxy 君という花 (너라는 꽃) 空のかおり (하늘의 향기) - Instrumental | — | — | |
| "—" denotes releases that did not chart or were not released in that region. |||||

## Singles
### As lead artist

| Title | Year | Peak chart positions | Peak chart positions | Sales | Album |
| Title | Year | KOR | JPN | Sales | Album |
| Korean ||||||
| "Calling" (부른다) | 2009 | — | — | | Calling |
| "Run to Me" (달려와) | 2009 | — | — | | Non-album single |
| "I Love U" (사랑해 U) | 2010 | 2 | — | KOR: 1,721,996 | Just Beginning |
| "My Baby U" (애기야) | 2010 | 9 | — | KOR: 1,074,363 | Just Beginning and My Baby U |
| "Take" | 2010 | 42 | — | | Non-album singles |
| "Broken" | 2011 | 12 | — | KOR: 461,461 | Non-album singles |
| "Shake It Up" | 2011 | 16 | — | KOR: 655,570 | Non-album singles |
| "Tease Me" (밀고 당겨줘) | 2012 | 18 | — | KOR: 598,990 | Perfect Fit |
| "I Can't Live Because of You" (너 땜에 못살아) (featuring Verbal Jint) | 2013 | 4 | — | KOR: 771,403 | Y.BIRD from Jellyfish Island With Seo In Guk |
| "With Laughter or with Tears" (웃다 울다) | 2013 | 6 | — | KOR: 625,703 | With Laughter or with Tears |
| "Loved You" (이별남녀) (with Zia) | 2013 | 1 | — | KOR: 514,102 | Loved You |
| "Mellow Spring (BOMTANABA)" (봄 타나봐) | 2014 | 6 | — | KOR: 443,678 | Non-album singles |
| "Seasons of the Heart" (너 라는 계절) | 2016 | 12 | — | KOR: 168,908 | Non-album singles |
| "BeBe" | 2016 | 39 | — | KOR: 39,216 | Non-album singles |
| "Better Together" (함께 걸어) | 2017 | 64 | — | KOR: 26,881 | Non-album singles |
| "My Love" (featuring Ravi) | 2022 | 70 | — | | Love&Love |
| "Fallen" | 2022 | 126 | — | | Non-album single |
| Japanese ||||||
| "Fly Away" | 2013 | — | 32 | JPN: 2,968 | Everlasting and Last Song |
| "We Can Dance Tonight" | 2013 | — | 21 | | Everlasting and Last Song |
| "—" denotes releases that did not chart or were not released in that region. ||||||

### As collaborating artist

| Title | Year | Peak position | Other artist(s) | Album |
| Title | Year | KOR | Other artist(s) | Album |
| "Refresh" (새로고침) | 2010 | 51 | Yoon Jong Shin, Lyn | 行步 2010 YOON JONG SHIN |
| "Christmas Time" | 2010 | 25 | Sung Si-kyung, Park Hyo-shin, Brian Joo, Lisa, Park Hak-ki, Kim Hyeong-jung, Kyun Woo | Jelly Christmas |
| "Love Again" | 2011 | 29 | Take-1 | Take No. 1 – Vol. 3 |
| "Christmas for All" (모두에게 크리스마스) | 2011 | 27 | Sung Si-kyung, Brian Joo, Park Hak-ki, Park Jang-hyun, Hwang Project | Jelly Christmas 2011 |
| "Because It's Christmas" (크리스마스니까) | 2012 | 1 | Sung Si-kyung, Park Hyo-shin, Lee Seok-hoon, VIXX | Jelly Christmas 2012 HEART PROJECT |
| "Winter Confession" (겨울 고백) | 2013 | 1 | Sung Si-kyung, Park Hyo-shin, VIXX, Little Sister | Jelly Christmas 2013 |
| "Sad Lie" (슬픈거짓말) | 2014 | 21 | DK of December | CS NUMBERS |
| "Love in the Air" (사랑난로) | 2015 | 14 | VIXX, Park Jung-ah, Park Yoon-ha | Jelly Christmas 2015 – 4랑 |
| "OMG" | 2016 | — | Double K, Dok2 | Non-album single |
| "Falling" (니가 내려와) | 2016 | 34 | VIXX, Gugudan, Park Yoon-ha, Park Jung-ah, Kim Gyu-sun, Kim Ye-won, Jiyul | Jelly Box Jelly Christmas 2016 |
| "Merry Merry Christmas Day" (메리메리크리스마스데이) | 2021 | — | Story J Company X AER Music | 2021 Christmas Day |

## Soundtrack appearances

| Title | Year | Peak chart position | Sales | Album |
| Title | Year | KOR | Sales | Album |
| "Fate (Like a Fool)" (운명 (바보처럼)) | 2012 | — | KOR: 34,034 | Love Rain OST |
| "All For You" (with Jung Eun-ji) | 2012 | 1 | KOR: 2,499,273 | Reply 1997 OST |
| "Just the Way We Love" (우리 사랑 이대로) (with Jung Eun-ji) | 2012 | 3 | KOR: 1,428,802 | Reply 1997 OST |
| "No Matter What" (겁도 없이) | 2013 | 2 | KOR: 553,041 | Master's Sun OST |
| "Finding Myself" (돌아오는길) | 2014 | 13 | KOR: 103,627 | High School King of Savvy OST |
| "Flower" (꽃) | 2017 | 68 | KOR: 18,863 | Tomorrow With You OST |
| "Star" (별, 우리) | 2018 | — | | The Smile Has Left Your Eyes OST |
| "Distant Fate" (아득한 먼 훗날 우리가) | 2021 | — | | Doom at Your Service OST |
| "Even If There's No Miracle" (기적은 없어도) | 2023 | — | | Death's Game OST |
| "—" denotes releases that did not chart or were not released in that region. |||||

## Other charted songs

| Title | Year | Peak chart positions | Album |
| Title | Year | KOR | Album |
| "Last Birthday" | 2010 | 81 | Just Beginning |
| "At First Sight" (feat. Bekah of After School) | 2010 | 89 | Just Beginning |
| "Prime Time" (feat. Lisa) | 2010 | 94 | Just Beginning |
| "Why Only Smile" | 2010 | 99 | Just Beginning |
| "Were We Happy" (feat. Ku Hye-sun) | 2013 | 74 | With Laughter or with Tears |

## Writing credits

All music credits are adapted from the Korea Music Copyright Association's database, unless otherwise noted.
| Year | Song | Album | Lyrics | Lyrics | Music | Music |
| Year | Song | Album | Credited | With | Credited | With |
| 2009 | "Young Love" | Calling | Yes | – | No | Pdogg |
| 2010 | "Refresh" | Director's Cut | Yes | Yoon Jong-shin, Ha Lim, Joung Ji Chan, Lyn, Kim Tae-woo | No | Yoon Jong-shin |
| 2011 | "Shake It Up" | Non-album single | Yes | – | No | Joleen Belle, Joachim Svare, Jimmy Andrew Richard |
| 2012 | "Fate (Like a Fool)" | Love Rain OST | Yes | – | Yes | – |
| 2014 | "Kimi no Iro" | hug | No | Kushita Manon | Yes | Park Kyung-hyun |
| 2014 | "Far Away" | hug | Yes | Melodesign | Yes | Melodesign |
| 2015 | "Last Song" | Last Song | Yes | - | Yes | Park Kyung-hyun |
| 2015 | "Light of My Life" | Last Song | Yes | Park Kyung-hyun | Yes | Minken, Park Kyung-hyun |
| 2016 | "Seasons of the Heart" | Non-album single | Yes | Kim Ji-yang | Yes | Seo Jung-jin, Kim Doo-hyun |
| 2016 | "OMG" | Non-album single | Yes | nior, Sohn Chang-il, Dokki | Yes | nior, Sohn Chang-il |
| 2016 | "BeBe" | Non-album single | Yes | – | Yes | Melodesign, Fascinating, Keeproots, Oberg Andreas Gustav Erik, Alwani Hani |
| 2017 | "Better Together" | Non-album single | Yes | – | Yes | Madeby, Park Kyung-hyun |
| 2017 | "Mint Chocolate" $_{(feat.40)}$ | Non-album single | Yes | 40 | Yes | 40, nior |
| 2017 | "Flower" | Tomorrow With You OST | Yes | – | Yes | Cho Yong-ho |
| 2018 | "Star" | The Smile Has Left Your Eyes OST | Yes | Jung So-min | No | UK, Jung Soo-min |
| 2021 | "Distant Fate" | Doom at Your Service OST | Yes | Kim Ina | Yes | Park Kyung-hyun |
| 2021 | "Merry Merry Christmas Day" | 2021 Christmas Story | Yes | Garam | Yes | Park Kyung-hyun, Mo Sang-hoon |
| 2022 | "MY LOVE (Feat. Ravi)" | Non-album single | Yes | Ravi, Mo Sang-hoon, Park Kyung-hyun | Yes | Ravi, Mo Sang-hoon, Park Kyung-hyun |
| 2022 | "BE MY MELODY" | Non-album single | Yes | Kim Ji-hyang | Yes | Mo Sang-hoon, Seo Jeong-jin, Park Kyung-hyun |

## Videography
### Music videos

| Title | Year | Notes |
| Korean |||
| "Calling" | 2009 | |
| "I Love U" | 2010 | |
| "Broken" | 2011 | |
| "Shake It Up" | 2011 | Guest appearances by Mighty Mouth, Jewelry, Jiyeon (T-ara) and Norazo Cameo appearances by N, Leo, and Ravi (VIXX) |
| "Tease Me" | 2012 | Guest appearances by Son Eun-seo and Lee Hong-bin (VIXX) |
| "I Can't Live Because of You" (featuring Verbal Jint) | 2013 | |
| "With Laughter or with Tears" | 2013 | Guest appearance by Koo Hye-sun |
| "Mellow Spring (Bomtanaba)" | 2014 | |
| "Seasons of the Heart" | 2016 | |
| "BeBe" | 2016 | |
| "Better Together" | 2017 | |
| "My Love" (featuring Ravi) | 2022 | Guest appearance by Shin Do-hyun |
| Japanese |||
| "Fly Away" | 2013 | |
| "We Can Dance Tonight" | 2013 | |
| "Everlasting Love" | 2014 | |
| "もう、会えなくて。" | 2014 | |
| "Last Song" | 2015 | |
| As collaborating artist |||
| "Christmas Time" | 2010 | with Sung Si-kyung, Park Hyo-shin, Brian Joo, Lisa, Park Hak-ki, Kim Hyeong-jung, Kyun Woo |
| "All for You" | 2012 | with Jung Eun-ji |
| "Because It's Christmas" | 2012 | with Sung Si-kyung, Park Hyo-shin, Lee Seok-hoon, VIXX |
| "Would You?" | 2013 | with Swings |
| "OMG" | 2016 | with Double K, Dok2 |
| "Merry Merry Christmas Day" | 2021 | Story J Company X AER Music |