Paul McGrath (April 11, 1904 – April 13, 1978) was an American film, television, Broadway, and Pittsburgh actor best known for his radio appearances in the 1940s and 1950s.

On radio, McGrath was a regular on Crime Doctor and on the soap operas Big Sister and Young Doctor Malone. He played the host on Inner Sanctum Mystery on radio and on a syndicated TV version of the program. His other work on television included appearances on the dramas Armstrong Circle Theatre, Hallmark Hall of Fame, and The United States Steel Hour. He also was featured on TV serials, including The Edge of Night, Love of Life, Guiding Light, and The Secret Storm.