Bomarzo may refer to:
Places and jurisdictions Bomarzo, a town and comune of the province of Viterbo, Italy Gardens of Bomarzo, a garden in Bomarzo the former Roman Catholic Diocese of Bomarzo, now a Catholic titular see
Arts Bomarzo (novel), a 1962 novel by Manuel Mujica Láinez Bomarzo (opera), a 1967 opera by Alberto Ginastera based on the above novel Bomarzo (film), a 1949 documentary by Michelangelo Antonioni