Milton Diamond was an American professor of anatomy and reproductive biology at the University of Hawaiʻi at Mānoa. After a career in the study of human sexuality, Diamond retired from the university in December 2009 but continued with his research and writing until retiring fully in 2018. He died on March 20, 2024, at the age of 90.

The University of Hawaiʻi at Mānoa is a public land-grant research university in Mānoa, a neighborhood of Honolulu, Hawaii. It is the flagship campus of the University of Hawaiʻi system and houses the main offices of the system. Most of the campus occupies the eastern half of the mouth of Mānoa Valley, with the John A. Burns School of Medicine located adjacent to the Kakaʻako Waterfront Park.