Alan Ansen (January 23, 1922 – November 12, 2006) was an American poet, playwright, and associate of Beat Generation writers.

He became a close friend of various Beat writers, and was the model for "flamboyant" characters in their fiction (Ansen was gay),[3] including Rollo Greb in Jack Kerouac's On the Road, AJ in William S. Burroughs' Naked Lunch, and Dad Deform in Gregory Corso's American Express.

Ansen spent time in Tangiers with Paul Bowles and was a close associate of Allen Ginsberg.

Ansen lived mostly in Athens after the early 1960s, where he was part of a circle of writers that included James Merrill and Chester Kallman.

There were two sofas in the flower- and book-filled living room, hard and covered with grubby tapestries, but very comfortable....