There are multiple artists with this name:
1) Athena is a Turkish ska/rock group. Athena was formed by twin brothers Gökhan Özoğuz and Hakan Özoğuz in 1987. They started their musical life as a metal band, and released their first album One Last Breath, but switched to the ska genre some time later.
2) Athena is a British-born and based, Greek by origin singer/songwriter who has released an EP called "Snapshot" (2006), and albums called "Breathe with Me" (2007) and "Peeling Apples" (2012) on Embraceable Records.