Frank Serrao (August 10, 1918 – May 6, 1991) was an American football coach. He served as the head football coach at Redlands University in Redlands, California from 1964 to 1983, compiling a record of 115–80–1. Serrao led his 1976 Redlands team to the title game of the NAIA Division II Football National Championship, losing to Joe Fusco's Westminster Titans. Serrao died on May 6, 1991, at St. Bernardine Medical Center in San Bernardino, California following complications from open-heart surgery performed two weeks prior.