"Adam Lambert's continued success as one of the world's best-selling pop stars shows LGBT people that they can be themselves and make it in a mainstream industry that many feel unfairly rejects them," GLAAD's Wilson Cruz said in a statement. "Adam is fearless on stage and astonishes audiences in every country he performs in."
The award, named after the media watchdog group's first executive director Craig Davidson and his partner Michael Valentini, recognizes an openly LGBT media figure who has promoted equality for the gay community.
Previous honorees include Precious director Lee Daniels, comedians Alec Mapa and Sandra Bernhard, actor B.D. Wong and former Dr. Quinn Medicine Woman child star Chad Allen.
This year's San Fran gala takes place on May 11.