Dene Denny (February 11, 1885 – September 24, 1959)[2] was an American musical theater producer who, along with co-founder Hazel Watrous, established the Denny-Watrous Management. They played pivotal roles in the founding of the Carmel Music Society, the Carmel Bach Festival, and Monterey's First Theater. Their residence, the Denny-Watrous Studio (Harmony House), served as a hub for hosting musical concerts and lectures.[3][4][5][6]