Joel Jaffe (born January 15, 1952), also known as J. Jaffe, is an American audio engineer, record producer, multi-instrumentalist, songwriter, and president and co-founder of Studio D Recording, Inc. Jaffe has worked with artists including Huey Lewis and the News, Ringo Starr, Buddy Greco, Melissa Etheridge, The Stylistics, Eddie Money, Santana, and Bonnie Raitt.