Diana Lewis (September 18, 1919 – January 18, 1997) was an American film actress and a Metro-Goldwyn-Mayer contract star.
Born in Asbury Park, New Jersey, Lewis began her film career in It's a Gift (1934) and worked steadily over the next few years, usually in minor roles. Her more notable films include It's a Gift (1934), Gold Diggers in Paris (1938), Go West (1940) and Johnny Eager (1941). She was the love interest of Andy Hardy as Daphne Fowler in Andy Hardy Meets Debutante (1940).
Lewis died from pancreatic cancer in Rancho Mirage, California, aged 77. She was interred at Cathedral City's Desert Memorial Park in Riverside County, California, alongside Powell, and her stepson, William David Powell.