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IU’s Most Popular Songs Ranking [2026]
IU is a cute South Korean singer-songwriter known as the “Nation’s Little Sister.” Before her debut, she went through a period of struggle—she failed auditions at major agencies and didn’t stand out as a trainee—but she rose to prominence as a solo singer on the strength of her talent.
Her stage name combines “I” and “You,” expressing the wish that “you and I become one through music.” Here, we present a ranking of her popular songs.
IU's Most Popular Songs Ranking [2026] (1–10)
Through the NightIU1rank/position
Singer-songwriter IU, affectionately known in Korea’s music scene as the “Nation’s Little Sister” and active as an actress as well.
Among the songs for which she wrote the lyrics herself, the masterpiece themed around a night letter is “Through the Night.” Released in March 2017 as a pre-release track from the album Palette, it’s a ballad characterized by its acoustic sound, expressing delicate, modest emotions—like entrusting unspoken feelings to the glow of fireflies.
Her voice, which carefully weaves each word, will quietly resonate with those facing farewells or new beginnings.
Filled with kindness and the wish for a loved one to have sweet dreams, this song is perfect for listening alone on a graduation-season night.
Let its heartwarming message bring you comfort.
Good Day(좋은 날)IU2rank/position
A signature early hit by the brilliantly talented artist IU, affectionately known as the “Nation’s Little Sister,” Good Day is a medium up-tempo tune included on her 2010 mini-album Real.
It’s heart-fluttering.
The lyrics portray the bittersweetness of a one-sided crush, but the cute melody and IU’s charming vocals together make you feel giddy with excitement! It’s all framed in a positive light.
Some people probably always listen to it before and after a date! And that triple high-note climax at the end is breathtaking and truly uplifting!
eightIU3rank/position
Singer-songwriter IU, who is so popular in South Korea that she’s called the “Nation’s Little Sister” and is also active as an actor, released the digital single “Eight” on May 6, 2020.
The song drew attention for her collaboration with BTS member SUGA.
The lyrics, which feel like she’s addressing a friend who took their own life, convey a sense of loneliness and despair at being left behind.
It’s a sentimental number whose pop sensibility is laced with melancholy, with melodies and arrangements that tug at the heart.
CelebrityIU4rank/position
Among K-POP songs, IU’s “Celebrity” delivers a heartwarming message.
Its soothing, comforting melody makes it perfect for a quick mental reset while studying.
The lyrics feel like IU is right by your side as a friend, encouraging you—helping you cherish yourself while nudging you to keep going just a little more.
Plus, the familiar choreography makes it great for a refreshing break.
Even in tough times, this song matches your pace and guides you toward a more positive mindset.
Give it a listen for a boost when you’re tackling your studies or work.
BluemingIU5rank/position
IU is a South Korean singer-songwriter and actress.
She’s a national diva so popular in Korea that she’s known as the “Nation’s Little Sister.” Amazingly, she debuted in September 2008 at the age of 15! Of course, “Blueming” is a Korean-language song as well.
It’s a love song that candidly expresses the cute yet complicated feelings of a girl texting or emailing the person she likes.
With its adorable lyrics and IU’s overwhelming vocal prowess, it’s a track that captivates every listener.
Only I didn’t knowIU6rank/position
A song wrapped in IU’s heartrending vocals.
It’s a track from the mini-album Real+, released in February 2011.
The lyrics, depicting the pain of heartbreak and regret, deeply resonate.
The feelings of blaming oneself for not realizing the breakup with a lover are expressed with delicate nuance.
IU’s crystalline voice and the grand orchestral sound are a perfect match.
It’s said that Yoon Sang composed this piece as a gift for IU.
When you want to heal the pain of a broken heart, why not listen to this song and sort out your feelings?
YOU&IIU7rank/position
In South Korea, the singer IU is affectionately known as the “Nation’s Little Sister.” Her 2012 release “YOU&I” is a dance number with a dramatic sound.
Watching her dance to the catchy rhythm is soothing.
Don’t miss the choreography inspired by clock hands! The beautiful tones of strings and brass brighten your spirits.
This colorful, pop-infused track is also recommended for dance beginners and for those who want to dance with children!
BBIBBIIU8rank/position
The title “BBIBBI” also appears in the lyrics, and it has a cute ring to it, doesn’t it? In fact, it refers to warning sounds like “beep-beep!” or “bzzz!” Since things like your favorite clothes, hobbies, friendships, and romantic relationships are all private matters, there’s a line between what others can and can’t say about them.
This song seems to carry the message: “I’ll do things the way I like,” and if someone crosses the line, “Beep! That’s a no.” While it has a laid-back, chill sound, there’s also a theory that it reflects IU’s true feelings about being troubled by the media and malicious fans.
Good DayIU9rank/position
Good Day, included on singer-songwriter IU’s mini album Real released in December 2010, comes from the artist affectionately known as the “Nation’s Little Sister.” Its lyrics, which portray the thrill and ache of unrequited love, are exquisitely matched with a radiant orchestral sound.
While expressing a young girl’s wavering heart, the song delivers an intense rush of exhilaration to listeners.
The stunning “three-tier high note” in the climax is famously iconic, offering a breath-of-fresh-air sensation just by listening.
It’s the perfect BGM to sharpen your tired mind while studying or to give you that extra push when you need one more burst of effort.
Topping Korea’s major charts for five consecutive weeks, this timeless track is a must-listen.
strawberry moonIU10rank/position
Wrapped in a happy feeling by its gentle sound and IU’s vocals, “strawberry moon” is a medium-tempo track released digitally in October 2021.
Its sweet-and-sour, romantic lyrics mirror the mutual affection portrayed in the music video.
It resonates not only with those in a mutual relationship, but also when there’s someone you’re vibing with.
The song’s core—wishing for worries to disappear—overflows with IU’s kindness.
It’s a love song that brings back the freshness of first feelings.