Happy Birthday (Disambiguation)

Bands

 * HAPPY BIRTHDAY - A two-member girl band active from 2010 to 2015.

Albums

 * HAPPY BIRTHDAY!! - The first album released by C-ZONE.

Mini Albums

 * Happy Birthday - The third mini album released by Drift Angels.

Singles

 * HAPPY BIRTHDAY - The 20th single released by back number.
 * Happy Birthday - The sixth single released by Kyoko.
 * Happy Birthday - The 10th single released by NEWS.
 * Happy Birthday - The 30th single released by PUFFY.

Digital Singles

 * Happy Birthday!!! - The second digital single released by Love Aggression.