Lambda Legal or Lambda Legal Defense and Education Fund is a nonprofit lobbying and legal action organization (see pressure group) founded in 1973 by homosexual activists for the advocacy of lesbians, gays, bisexuals, transgender people and those with HIV.
Aspects of their work includes a redefinition of marriage as a tool in their greater agenda to reorder society,  aiding teens and young adults, helping LGBTQ+ families, and pushing for fair healthcare for those living with HIV and AIDS.
- About Us. Lambda Legal. (n.d.). Retrieved March 10, 2022, from https://www.lambdalegal.org/about-us
- Alan Sears and Craig Osten. "5.The Family under attack", The Homosexual Agenda: Exposing the principal threat to religious freedom today. B&H Publishing Group, 99. ISBN 978-0-8054-2698-4.
- Our work. Lambda Legal. (n.d.). Retrieved March 10, 2022, from https://www.lambdalegal.org/our-work