Calvin H. Frazier (February 16, 1915 – September 23, 1972) was an American Detroit blues and country blues guitarist, singer and songwriter. Despite leaving a fragmented recording history, both as a singer and guitarist, Frazier was an associate of Robert Johnson, and recorded alongside Johnny Shines, Sampson Pittman, T.J. Fowler, Alberta Adams, Jimmy Milner, Baby Boy Warren, Boogie Woogie Red, and latterly Washboard Willie.