Robby Benson and his wife, Karla DeVito, celebrated their 40th wedding anniversary in 2023. Robby believes he's alive because of Karla after four heart surgeries, and in their late 60s, they are still in love and look gorgeous with gray hair.

Benson has been married to actor Karla DeVito since 1982—the two met starring in a production of The Pirates of Penzance —and they have two children together: son Zephyr and daughter Lyric, with whom Benson created the album Lyric’s Love Light Revolution.

Robby Benson is currently married to Karla Devito. He has been in six celebrity relationships averaging approximately 7.3 years each. His one marriage has lasted 43.0 years so far.

Benson has been a professor at New York University 's Tisch School of the Arts, the University of Utah, the University of South Carolina and Indiana University. [17][18] Benson has been married to singer and actress Karla DeVito since July 11, 1982.