"Adia" is a 1998 song by Sarah McLachlan.
Adia may also refer to: Adia (fly), a genus of insect Adia (musician), Destiny Adia Andrews (born 1991), American Christian R&B artist Adia (name), with a list of people named Adia Adia (queen), Arab figure associated with the ancient Kingdom of Qeda ADIA, the Abu Dhabi Investment Authority