Abin bautãwa na Celtic yana nufin wani allah ko wata baiwar Allah da ake bautawa a cikin addinan mushrikai na d ¯ a Celts, waɗanda rukuni ne na al'ummar Indo-Turai waɗanda suka rayu a sassan Turai tun daga zamanin Ƙarfe har zuwa lokacin Medieval. Waɗannan gumakan suna da alaƙa da abubuwa daban-daban na yanayi, kamar rana, wata, ƙasa, teku, da kuma wasu ayyukan ɗan adam, kamar yaƙi, waraka, da haihuwa. Wasu misalan alloli na Celtic sun haɗa da Cernunnos, allahn daji da dabbobi; Brigid, allahn waƙa, warkarwa, da maƙera; da Lugh, allahn haske da fasaha.