KOREAN RELEASESCOLOR*IZ (2018-10-29)1. 아름다운 색 (Colors)
2. O' My!
3. [T] 라비앙로즈 (La Vie en Rose)
4. 비밀의 시간 (Memory)
5. 앞으로 잘 부탁해 (We Together) [IZ*ONE Ver.]
6. 好きになっちゃうだろう？(Suki ni Nacchaudarou?) [IZ*ONE Ver.]
7. 꿈을 꾸는 동안 (夢を見ている間 - Yume wo Miteiru Aida) [IZ*ONE Ver.]
8. 내꺼야 (Pick Me) [IZ*ONE Ver.]HEART*IZ (2019-04-01)1. 해바라기 (Hey. Bae. Like it.)
2. [T] 비올레타 (Violeta)
3. Highlight
4. Really Like You
5. Airplane
6. 하늘 위로 (Up)
7. 고양이 되고 싶어 (NEKONI NARITAI) (Korean Version)
8. 기분 좋은 안녕 (GOKIGEN SAYONARA) (Korean Version)Oneiric Diary (幻想日記) (2020-06-15)1. Welcome
2. [T] 환상동화 (Secret Story of the Swan)
3. Pretty
4. 회전목마 (Merry-Go-Round)
5. Rococo
6. With*One
7. 幻想日記 (Secret Story of the Swan) [Japanese ver.]
8. Merry-Go-Round (Japanese ver.)BLOOM*IZ (2020-02-17)1. EYES
2. [T] FIESTA
3. DREAMLIKE
4. AYAYAYA
5. SO CURIOUS
6. SPACESHIP
7. 우연이 아니야 (DESTINY)
8. YOU & I
9. DAYDREAM
10. PINK BLUSHER
11. 언젠가 우리의 밤도 지나가겠죠 (SOMEDAY)
12. OPEN YOUR EYESOne-reeler / Act IV (2020-12-07)1. Mise-en-Scène
2. [T] Panorama
3. Island
4. Sequence
5. O Sole Mio
6. 느린 여행 (Slow Journey)JAPANESE RELEASES好きと言わせたい (Suki to Iwasetai) (2019-02-06)1. [T] 好きと言わせたい (Suki to Iwasetai)
2. ケンチャナヨ (Gwaen Chanha Yo)
3. ご機嫌サヨナラ (Gokigen Sayonara)
4. 猫になりたい (Neko ni Naritai)
5. ダンスを思い出すまで (Dance wo Omoidasumade)Buenos Aires (2019-06-29)1. [T] Buenos AIres
2. Tomorrow
3. Target
4. 年下Boyfriend (Toshishita Boyfriend)
5. Human Love
6. Buenos Aires (Instrumental)
7. Tomorrow (Instrumental)
8. 年下Boyfriend (Toshishita Boyfriend) [Instrumental]
9. Human Love (Instrumental)Vampire (2019-09-25)1. [T] Vampire
2. 君以外 (Kimi Igai)
3. Love Bubble
4. 紫外線なんかぶっとばせ (Shigaisen Nanka Buttobase)
5. 不機嫌Lucy (Fukigen Lucy)Twelve (2020-10-21)1. Beware
2. Vampire
3. 好きと言わせたい (Suki to Iwasetai)
4. Waiting
5. Buenos AIres
6. 好きになっちゃうだろう？(Suki ni Nacchaudarou?) [IZ*ONE Ver.]
7. Yummy Summer
8. La Vie en Rose (Japanese Ver.)
9. Violeta (Japanese Ver.)
10. FIESTA (Japanese Ver.)
11. 夢を見ている間 (Yume wo Miteiru Aida - Japanese Ver.) [IZ*ONE Ver.]
12. どうすればいい？(Dousurebaii?)
13. Shy BoySINGLE RELEASES1. Rise (Remix) by Jonas Blue ft. IZ*ONE [2019-03-08]
2. D-D-DANCE promotional single for Universe [2021-01-26]
3. ZERO:ATTITUDE by SOYOU & IZ*ONE ft. pH-1 [2021-02-15]