Danh sách đĩa nhạc của IU
Các bài hát được xếp hạng khác

| Tựa đề | Bài hát | Vị trí xếp hạng cao nhất> HQGaon  | Vị trí xếp hạng cao nhất> HQHot  | Doanh số (kỹ thuật số) | Album |
| --- | --- | --- | --- | --- | --- |
| "Taking a Train" | 2009 | — | — | — | IU...IM |
| "Rain Drop" (Wheesung cover) | 2010 | 74 | — |  HQ: 206,934 | Nagging (single) |
| "Merry Christmas in Advance" (feat. Thunder) | 2010 | 7 | 17 |  HQ: 1,040,741 | Real |
| "This Is Not What I Thought" | 2010 | 9 | — | — | Real |
| "The Night of the First Breakup" | 2010 | 20 | — | — | Real |
| "The Thing I Do Slowly" | 2010 | 21 | — | — | Real |
| "Alone in the Room" | 2010 | 27 | — | — | Real |
| "Good Day (Instrumental)" | 2010 | 193 | — | — | Real |
| "I Know" (Seungri feat. IU) | 2011 | 42 | — | — | V.V.I.P |
| "Cruel Fairytale" | 2011 | 8 | — |  HQ: 1,051,000 | Real+ |
| "Secret" | 2011 | 2 | 5 |  HQ: 2,046,000 | Last Fantasy |
| "Sleeping Prince of the Woods" (feat. Yoon Sang; Halo cover) | 2011 | 3 | 9 |  HQ: 1,245,000 | Last Fantasy |
| "Uncle" (feat. Lee Juck) | 2011 | 4 | 8 |  HQ: 1,755,709 | Last Fantasy |
| "A Child Searching for Stars" (feat. Kim Kwang-jin) | 2011 | 6 | 12 |  HQ: 1,078,000 | Last Fantasy |
| "Wallpaper Patterns" | 2011 | 7 | 15 |  HQ: 953,000 | Last Fantasy |
| "Wisdom Tooth" | 2011 | 8 | 19 |  HQ: 953,000 | Last Fantasy |
| "Teacher" (feat. Ra.D) | 2011 | 9 | 25 |  HQ: 844,000+ | Last Fantasy |
| "Everything's Alright" (feat. Kim Hyeon-cheol) | 2011 | 11 | 24 |  HQ: 847,000 | Last Fantasy |
| "Last Fantasy" | 2011 | 12 | 27 |  HQ: 779,000 | Last Fantasy |
| "4AM" | 2011 | 13 | 32 |  HQ: 728,000 | Last Fantasy |
| "A Stray Puppy" | 2011 | 17 | 40 |  HQ: 665,000 | Last Fantasy |
| "L'amant" | 2011 | 19 | 49 |  HQ: 576,000 | Last Fantasy |
| "I Really Don't Like Her" | 2012 | 15 | 12 |  HQ: 700,000 | Spring of a Twenty Year Old |
| "Like You" (Wanted feat. IU) | 2012 | 9 | 14 |  HQ: 945,000 | Vintage |
| "Everybody Has Secrets" (feat. Gain của Brown Eyed Girls) | 2013 | 2 | 3 |  HQ: 573,315 | Modern Times |
| "Love of B" | 2013 | 3 | 7 |  HQ: 428,808 | Modern Times |
| "Between the Lips (50cm)" | 2013 | 4 | 5 |  HQ: 436,249 | Modern Times |
| "A Gloomy Clock" (feat. Jonghyun của Shinee) | 2013 | 6 | 11 |  HQ: 405,520 | Modern Times |
| "Modern Times" | 2013 | 7 | 10 |  HQ: 424,678 | Modern Times |
| "Bad Day" | 2013 | 8 | 14 |  HQ: 342,058 | Modern Times |
| "Obliviate" | 2013 | 11 | 23 |  HQ: 277,739 | Modern Times |
| "Daydream" (feat. Yang Hee-eun) | 2013 | 12 | 15 |  HQ: 267,560 | Modern Times |
| "Havana" | 2013 | 13 | 29 |  HQ: 220,376 | Modern Times |
| "Walk with Me, Girl" (feat.Choi Baek-ho) | 2013 | 14 | 26 |  HQ: 211,360 | Modern Times |
| "Wait" | 2013 | 17 | 41 |  HQ: 188,745 | Modern Times |
| "Voice Mail (Korean version)" | 2013 | 18 | 28 |  HQ: 188,000 | Modern Times |
| "Pastel Crayon" (từ Bel Ami) | 2013 | 39 | 27 |  HQ: 98,476 | Modern Times – Epilogue |
| "The Meaning of You" (feat. Kim Chang-wan; Sanulrim cover) | 2014 | 3 | 2 |  HQ: 2,740,595 | A Flower Bookmark |
| "When Love Passes By" (Lee Moon-se cover) | 2014 | 4 | 3 |  HQ: 782,000 | A Flower Bookmark |
| "Pierrot Smiles at Us" (Kim Wan-sun cover) | 2014 | 8 | 10 |  HQ: 499,054 | A Flower Bookmark |
| "Dreams in Summer Night" (Kim Hyun-sik cover) | 2014 | 12 | 12 |  HQ: 465,318 | A Flower Bookmark |
| "Flower" (Kim Kwang-seok cover) | 2014 | 14 | 13 |  HQ: 353,253 | A Flower Bookmark |
| "Boom Ladi Dadi" (feat. Clon; Clon cover) | 2014 | 16 | 14 |  HQ: 303,359 | A Flower Bookmark |
| "Sing for Me" (god feat. IU) | 2014 | 9 | — |  HQ: 339,899 | Chapter 8 |
| "The Shower" | 2015 | 2 | — |  HQ: 1,020,265 | Chat-Shire |
| "Shoes" | 2015 | 5 | — |  HQ: 578,505 | Chat-Shire |
| "Knees" | 2015 | 5 | — |  HQ: 730,323 | Chat-Shire |
| "Zezé" | 2015 | 8 | — |  HQ: 796,704 | Chat-Shire |
| "Red Queen" (feat. Zion.T) | 2015 | 10 | — |  HQ: 427,439 | Chat-Shire |
| "Glasses" | 2015 | 13 | — |  HQ: 362,363 | Chat-Shire |
| "Ending Scene" | 2017 | 3 | — |  HQ: 932,186 | Palette |
| "Dlwlrma" | 2017 | 5 | — |  HQ: 959,717 | Palette |
| "Jam Jam" | 2017 | 7 | — |  HQ: 461,247 | Palette |
| "Dear Name" | 2017 | 9 | — |  HQ: 506,965 | Palette |
| "Black Out" | 2017 | 14 | — |  HQ: 283,532 | Palette |
| "Full-Stop" | 2017 | 16 | — |  HQ: 246,926 | Palette |
| "Love Alone" | 2017 | 19 | — |  HQ: 201,511 | Palette |
| "Secret Garden" | 2017 | 10 | — |  HQ: 466,059 | A Flower Bookmark 2 |
| "Every Day with You" | 2017 | 12 | — |  HQ: 325,396 | A Flower Bookmark 2 |
| "Last Night Story" | 2017 | 15 | — |  HQ: 301,981 | A Flower Bookmark 2 |
| "By the Stream" | 2017 | 19 | — |  HQ: 178,956 | A Flower Bookmark 2 |
"—" cho biết album không lọt vào bảng xếp hạng hoặc không được phát hành ở khu vực này. Note: Billboard Korea K-Pop Hot 100 được giới thiệu vào tháng 8 năm 2011 và ngừng hoạt động vào tháng 7 năm 2014