Bahena is a Spanish-language surname, a variant of Baena. Notable people with the surname include:
Alejandro Bahena Flores (born 1953), Mexican politician Ernesto Bahena (born 1961), Mexican wrestler Gerardo Bernal Bahena (born 1989), Mexican professional footballer Hirving Lozano Bahena (born 1995), Mexican professional footballer Ignacio Rodríguez Bahena (1956–2025), Mexican professional footballer Cristhian Bahena Rivera, suspect in the killing of Mollie Tibbetts