Sue Williams (November 14, 1945 – September 2, 1969) was an American actress and Playboy magazine's Playmate of the Month for April 1965. Her centerfold was photographed by Ed DeLong and William V. Figge.
Born Karen Susan Hamilton in Glendale, California, she began her career in modeling shortly after graduating from high school. After a photographer sent in pictures he had taken of her to Playboy, she was chosen for a layout in the magazine, posing under the name Sue Williams. She was the first Playmate to get breast implants, and at 4'11, one of the shortest women to appear as a Playmate in Playboy (with Karla Conway, April 1966, being the other).
After appearing in Playboy, she began acting in various films and television. She appeared in several Beach Party films, including How to Stuff a Wild Bikini under the name Sue Hamilton.
Williams committed suicide on September 2, 1969. She is interred in Forest Lawn Memorial Park in Los Angeles.