Anu is a given name and surname found independently in several cultures. The Finnish and Estonian name is derived from the Karelian variant of the name Anna, which became popular after Kersti Bergroth's play Anu ja Mikko of 1932. The Sanskrit name is a short form of Anuradha, Anurag, Anubhooti, etc. The Nigerian name which means 'Mercy', is a short form of Anuoluwa, Anuoluwapo, etc. from the Western Yoruba tribe.