Lisa M. Diamond

Lisa M. Diamond is an American psychologist and feminist. She is a professor of developmental psychology, health psychology and gender studies at the University of Utah. Her research focuses on sexual orientation development, sexual identity, and bonding.

She is best known for her 2008 book, Sexual Fluidity: Understanding Women's Love and Desire. In this book, she discusses the fluidity of female sexuality, based on her study of 100 nonheterosexual women over a period of 10 years.