Jay Thomas (born July 12, 1948) is an American actor and disc jockey.

Thomas was born Jon Thomas Terrell in Kermit, Texas, the son of Katharine "Kathy" (née Guzzino) and T. Harry Terrell, Sr. He was raised in New Orleans, where he attended Jesuit High School, New Orleans. He and his wife Sally live in Southern California and are parents to two sons, Samuel and Jacob. Jay fathered a son years earlier with another woman and gave the child up for adoption. Jay and his son John Harding have spoken about their reunion on the Dr. Phil show. John Harding is the lead singer of the band JTX.

Thomas is perhaps best known for his recurring roles. The first on the sitcom Mork and Mindy, on which he played Remo DaVinci, the Italian deli-owner, from 1979 until 1981. He then played the hockey-player-turned-travelling-ice show-skater second husband, Eddie LeBec, of Carla on Cheers (1987-1989). He also appeared on Murphy Brown as a tabloid talk show host, Jerry Gold, who was also one of Murphy's love interests (1989-1998). Thomas won Emmy Awards in 1990 and 1991 for "Outstanding Guest Actor in a Comedy Series" for his portrayal of Jerry Gold on Murphy Brown.