Setanta may refer to:
- The given name of the Irish mythological figure Cú Chulainn
- Setanta College, sports-related higher education, a distance-learning institution based in Ireland
- Setanta Sports, Ireland-based international television sports channel
- Setanta Sports USA, defunct version of the above that broadcast in the US and Caribbean from 2005–2010
- Setanta Records, record label
- LÉ Setanta, former Irish Naval Service ship
- Setanta Ó hAilpín, Irish sportsman
- The number 70 in the Catalan language
- Setanta (wasp), a genus of parasitoid wasps