An anthem is a musical composition of , usually used as a symbol for a distinct group, particularly the national anthems of countries. Originally, and in music theory and religious contexts, it also refers more particularly to short sacred choral work and still more particularly to a specific form of Anglican church music.

Anthem (stylized as anthem.) is the fifth studio album by ska punk band Less Than Jake, released on May 20, 2003 on Sire, an imprint of Warner Bros. Records. Recording took place between October and December 2002 at Piety Street Recording in New Orleans and Morning View Studio in Malibu, California, with producer Rob Cavallo.