Lorin Dreyfuss (1944–2021) was an American actor, film producer, and screenplay writer. He was the older brother of actor Richard Dreyfuss and sister Cathy Dreyfuss. His son is Justin Dreyfuss. His daughters are Allyson Dreyfuss and actress Natalie Dreyfuss. His nephews are actor and journalist Ben Dreyfuss and Harry Dreyfuss, and his niece is journalist Emily Dreyfuss. His family is Jewish.