IU - Dear my crazy soulmate

IU - Unknown Planet (이 별로부터)

IU - Love Wins All

IU - eight (feat. SUGA)

IU - Can't Love You Anymore (사랑이 잘) (feat. OhHyuk)

IU - Good Day (좋은 날)

IU - Through The Night (밤편지)

IU - strawberry moon

IU - Love poem

IU - Twenty-three (스물셋)

IU - Palette (팔레트) (feat. G-DRAGON)

IU - Zezé (제제)

IU - Blueming (블루밍)

IU - Ending Scene (이런 엔딩)

IU - BBIBBI (삐삐)

IU - Celebrity

IU - My Sea (아이와 나의 바다)

IU - The visitor (그 사람)

IU - heart (마음)

IU - I Give You My Heart (마음을 드려요)

IU - Peach (복숭아)

IU - Shh.. (feat. HYEIN, Joe Won Sun & Patti Kim)

IU - Beautiful Dancer

IU - Dear Name (이름에게)

IU - Jam Jam (잼잼)

IU - Bye, Summer (바이, 썸머)

IU - Epilogue

IU - Never Ending Story

IU - above the time (시간의 바깥)

IU - dlwlrma (이 지금)

IU - Every End of the Day (하루 끝)

IU - Holssi (홀씨)

IU - Into the I-LAND

IU - Last Night Story (어젯밤 이야기)

IU - Lost Child (미아)

IU - unlucky

IU - You (너)

IU - A Gloomy Clock (우울시계) (feat. Jonghyun)

IU - Autumn Morning (가을 아침)

IU - Friday (feat. Jang Yi-jeong of History)

IU - My Old Story (나의 옛날이야기)

IU - October 4th (10월 4일)

IU - Someday

IU - You And I (너랑 나)

IU - A Beautiful Person (미인) (feat. Balming Tiger)

IU - Empty Cup (빈 컵)

IU - I Don't Like Her (그 애 참 싫다)

IU - I Will Give You My Heart

IU - Our Happy Ending

IU - Red Queen (feat. Zion-T)

IU - Shopper

IU - The Shower

IU - Ah Puh

IU - Almost

IU - Between The Lips

IU - Dear Moon

IU - Everyday With You

IU - Flower

IU - Glasses

IU - I stan U (관객이 될게)

IU - Love Alone

IU - Love Letter

IU - Lullaby (자장가)

IU - Midnight Walk (밤 산책)

IU - Not Spring, Love, or Cherry Blossoms (봄 사랑 벚꽃 말고) (feat. HIGH4)

IU - Only I didn't know (나만 몰랐던 이야기)

IU - Sleepless Rainy Night

IU - Alicia

IU - Alone In The Room (혼자 있는 방)

IU - Coin

IU - Daydream (feat. Yang Hee Eun)

IU - Flu

IU - Full Stop

IU - Good Day (Japanese Version)

IU - Graduation Day

IU - Havana

IU - Hi Spring Bye (봄 안녕 봄)

IU - Hold My Hand (내 손을 잡아)

IU - It's You (그대네요) (feat. SUNG SHI KYUNG)

IU - Knees (무릎)

IU - Last Fantasy

IU - Last Scene (feat. Wonstein)

IU - Meaning Of You (너의 의미) (feat. Kim Chang-Wan)

IU - New World

IU - Next Stop (정거장)

IU - Obliviate

IU - Secret Garden

IU - You And I

IU - A Child Searching For a Star (feat. Kim Kwangjin)

IU - A Dreamer

IU - Bad Day

IU - Because I'm a Woman

IU - Black Out

IU - Boyhood

IU - Drama (드라마)

IU - Dreaming

IU - Every Sweet Day

IU - Everyone Has Secrets (feat. GaIn)

IU - Four Without Me (나 말고 넷)

IU - Hey (있잖아)

IU - I Believe In Love

IU - I Really Don’t Like Her (그 애 참 싫다)

IU - Ice Flower (얼음꽃) (feat. Yuna Kim)

IU - Leon (feat. Park Myung Soo)

IU - Love Attack

IU - Marshmallow (마쉬멜로우)

IU - Mia

IU - Mia

IU - Nagging (잔소리) (feat. Seulong)

IU - Pastel Crayon

IU - People Pt.2 (사람 Pt.2) (feat. Agust D)

IU - Pierrot laughs at us (삐에로는 우릴 보고 웃지)

IU - Pity (가여워)

IU - Red Sneakers (빨간 운동화)

IU - Shoes

IU - Sleeping Prince (잠자는 숲속의 왕자)

IU - Square's dream (네모의 꿈)

IU - The Abandoned

IU - The Red Shoes (분홍신)

IU - Troll (feat. DEAN)

IU - Ugly Duckling (미운오리)

IU - Uncle (삼촌) (feat. Lee Juck)

IU - Voice Mail (Korean Version)

IU - When Love Passes (사랑이 지나가면)

IU - When Would It Be (feat. Yoon Hyun Sang)

IU - Wind Flower (바람꽃)

IU - 23

IU - 4am

IU - A Lost Puppy (길 잃은 강아지)

IU - And So Love Is (그렇게 사랑은)

IU - Anxious Heart (feat. Ulala Session)

IU - Boo

IU - Boom Ladi Dadi

IU - By The Stream

IU - Cruel Fairy Tale

IU - Danny Boy

IU - Du Geun Du Geun Date

IU - Everything's Alright (feat. Kim Hyunchul)

IU - Face To Face (After Looking At You)

IU - Fairytale

IU - Feel So Good

IU - Fifth Finger (다섯째 손가락)

IU - Follow The Moon

IU - GANADARA (feat. Jay Park)

IU - I Know (feat. SEUNGRI)

IU - I Need a Boy

IU - It'll Be Fine

IU - It's First Love

IU - It’s Not Like This (이게 아닌데)

IU - Kung Ddari Sha Bah Rah (꿍따리 샤바라)

IU - L'amant

IU - Lies (feat. Thunder)

IU - Looking at you

IU - Love Is Hooroorook (사랑은 후루룩)

IU - Love Of B

IU - Melody Of The Wind

IU - Merry Christmas In Advance (미리 메리 크리스마스) (feat. Thunder)

IU - Midsummer Night’s Dream

IU - Modern Times

IU - Monday Afternoon

IU - Monday Thru Sunday (feat. Suho)

IU - Mother Nature (H₂O) (feat. Kang Seungwon)

IU - Not Me, But Four (나 말고 넷)

IU - Pit-a-pat Date (두근 두근 데이트)

IU - Pitiful (Instrumental Version)

IU - Poor Thing

IU - Rain Drop

IU - Rain Drop (Japanese Version)

IU - Really Hate You

IU - Riding On a Train

IU - Scary Fairy Tale (잔혹동화)

IU - Sea Of Moonlight (달빛바다) (feat. Fiestar)

IU - Secret (비밀)

IU - She's Different From Me (part. Lee Hyori)

IU - Shounen Jidai

IU - Sing For Me (feat. G.O.D.)

IU - Slow

IU - SOGYEOKDONG (소격동)

IU - Sorry, Sorry (feat. Thunder)

IU - Suga Luv

IU - Teacher (feat. Ra.D)

IU - Tear Drops In The Morning (아침 눈물)

IU - The Age Of The Cathedrals

IU - The Day's End

IU - The first goodbye that night

IU - The Night Of The First Breakup (첫 이별 그날 밤)

IU - The Thing I do Slowly (느리게 하는 일)

IU - This Is Awkward

IU - This Is Not What I Thought (이게 아닌데)

IU - To The Sea (아라로)

IU - Train Ride

IU - Truth

IU - Uaena song

IU - Voice-mail

IU - Wait (기다려)

IU - Walk With Me, Girl (feat. Choi Baek Ho)

IU - Wallpaper Pattern (벽지무늬)

IU - Winter Sleep (겨울잠)

IU - Wisdom Tooth (사랑니)

IU - With A Determined Heart To Forget You (잊어야 한다는 마음으로)

IU - Working Slow