《Y Why》是CNBLUE演唱的一首歌曲，填詞姜敏赫 (KANG MIN HEE)，收錄於CNBLUE2014年4月16日發行的第二張正規專輯《Can't Stop》中。
韓文歌詞如下：
Why Why 니가 왜 나를 떠나
Why Why 너 없이 난 너무 외로워
Why Why 니가 왜 나를 떠나
Why Why 너 없이 난 너무 힘들어
왜 나를 떠나 왜 날 떠나
왜 나를 떠나 왜
Why Why 니가 왜 나를 울리
Why Why 니가 내게서 멀리
Why Why 니가 왜 나를 울리
Why Why 니가 내게서 멀리
(Yeah) You know what I'm saying, I'm talking about you and me
그게 사라져버린 것처럼 (Yeah)
(Yeah) I'm feeling like I'm falling in love with you, yeah
왜 나를 떠나 왜 날 떠나 (Baby why)
Oh oh oh oh Oh oh oh oh Oh oh oh oh Oh oh oh oh (Yo, no more lies)
Yo you can call me the ghost of you later on
나 없이도 오늘을 지낼걸, You're all good like that (Yeah)
왜 나를 떠나 (Yeah) Why don't we work out? (No more lies)
You don't have to cry about it (Yeah) 우리같이라도 (Yeah) Yeah yeah yeah yeah yeah yeah yeah yeah yeah
(Yeah) You know what I'm saying, I'm talking about you and me
(Oh no no no no no no no) And we gon' make it right now (Oh yeah) Yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah (Woo woo woo) Yeah, so go and grab yourself a photo of you and me (Baby why)
Yeah you lookin good like that Oh, when it comes to makin' love to you, I'm a beast like that (Yeah) Yeah yeah yeah yeah yeah yeah Yeah, I ain't lyin', I ain't lyin', I ain't lyin', I ain't lyin', I ain't lyin', I ain't lyin', I ain't lyin', I ain't lying Yeah yeah Yeah yeah Yeah.