Dr. Leo Wollman (1914–1998), was a New York City medical doctor who assisted transgender individuals with their transitions.^{[citation needed]} In 1979 he served on the founding committee of the Harry Benjamin International Gender Dysphoria Association, now the World Professional Association for Transgender Health, which wrote its first Standards of Care.^[1]

He had an uncredited appearance in the film Let Me Die a Woman directed by Doris Wishman. He was also a science and medicine advisor.^[2]