Smile may refer to:
- "Smile", a song by DQ featuring GUMI.
- "Smile", a song by Em The Toaster featuring GUMI.
- "Smile", a song by ENH3 featuring Hatsune Miku.
- "Smile", a song by Glitched featuring Megurine Luka.
- "Smile", a song by Haltak @ satellites featuring Megurine Luka.
- "SMILE", a song by ikapoid featuring Hatsune Miku, GUMI and Kagamine Rin, or Kagamine Len.
- "Smile" (미소 (Miso)), a song by janggeum featuring UNI.
- "Smile", a song by Nebula featuring CYBER SONGMAN.
- "SMILE", a song by ShirotsumeP featuring Yuzuki Yukari.
- "Smile" (スマイル), a song by Tina to Roro featuring Hatsune Miku.
- "SMILE", a song by Uraura Sakana featuring Hatsune Miku.
- "Smile", a song by Yin-P featuring Oni Kanagi.
- "Smile Flower ~Smile Flower~" (Smile Flower ~スマイルフラワー~), a song by Rinna featuring Hatsune Miku and Rana.
- "smile good bye", a song by ArukaP featuring Hatsune Miku.
- "Smile For Me", a song by Dreamochi featuring IA.
- "Smile One Day, Smile Everytime" (いつか笑顔、いつも笑顔 (Itsuka Egao, Itsumo Egao)), a song by Tamaazu-P featuring Hatsune Miku.
- "Smile of the world", a song by ArukaP featuring SF-A2 miki, Hatsune Miku, and GUMI.
- "Smile & Yell ~What I Can Do Now~" (Smile & Yell ~いま出来ること~ (Smile & Yell ~Ima Dekiru Koto~)), a song by Jumbo featuring Kagamine Rin or MEIKO.
- SmileP, a Vocaloid song producer.
- SmileR, a Vocaloid song producer.
See also Smile Again (disambiguation).