IU’s Most Popular Songs Ranking [2026]

Only I didn’t knowIU6rank/position

IU(아이유) _ Only I didn’t know(나만 몰랐던 이야기) (IU ver.) _ MV

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

IU(아이유) _ YOU&I(너랑 나) (Performance ver.)

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!

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mutō

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BBIBBIIU8rank/position

[MV] IU(아이유) _ BBIBBI(삐삐)

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

IU (아이유) _ Good Day (좋은 날) _ MV

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

[MV] IU(아이유) _ strawberry moon

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.

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KEI

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