Sletten is a surname. Notable people with the surname include:
Finn Sletten (born 1952), Norwegian jazz musician Iver Sletten (born 1974), Norwegian footballer Jakob Hveding Sletten (1872–1936), Norwegian priest and musician Klaus Sletten (1877–1946), Norwegian organizational worker and politician Olaf Sletten (1886–1943), Norwegian shooter Vegard Sletten (1907–1984), Norwegian newspaper editor Paige VanZant, born Paige Sletten, (1994), MMA fighter and professional wrestler, maiden name was Sletten.
See also Sletten Township, Polk County, Minnesota