Jay Berliner (born May 24, 1940 in Brooklyn, New York) is an American guitarist and multi-instrumentalist. Starting with his first television experience at age 7 on NBC’s The Children’s Hour with sister Eve, his career has spanned the globe: from the Metropolitan Opera house (the “old” Metropolitan Opera House in midtown Manhattan), where he was house guitarist and mandolinist; to Kenya’s 1963 Independence Day celebration as accompanist for Harry Belafonte and Miriam Makeba; touring Japan as a banjo soloist; performances at The White House; and more recently, playing onstage at the Metropolitan Opera (in the “new” house at Lincoln Center) with Barbara Cook, Audra McDonald, Josh Groban, and Elaine Strich, recorded live on DRG Records, Inc.

Recordings under his own name include Bananas Are Not Created Equal, Romantic Guitars, Erotic Guitars, three classical albums for Nippon-Columbia, and three classical albums for Spanish Music Center Records. Jay also can be heard on Romantic Sea of Tranquility under the pseudonym "Chris Valentino."