Jay Hammer (born November 16, 1945, in San Francisco, California) is an American actor best known for his long run as Fletcher Reade on daytime's Guiding Light. He played the role from 1984 until 1998. An earlier soap opera role was that of ranch forehand Max Dekker on Texas.

Hammer had a notable credit as Allan Willis during the 1978-1979 season of The Jeffersons. Allan was the white son of mixed race couple Tom and Helen Willis (Franklin Cover and Roxie Roker).

Hammer has two children by former Guiding Light writer Pam Long. Hammer himself has also written for Guiding Light using the name Charles Jay Hammer.

He lived with Pamela K. Long for five years. They have two children together.