Runyan is a surname. Notable people with the surname include:
Damon Runyon (born Alfred Damon Runyan 1880–1946), American newspaperman and writer
Jon Runyan (born 1973), American politician
Marla Runyan (born 1969), American athlete and runner
Paul Runyan (1908–2002), American golfer
Sean Runyan (born 1974), American baseball player
Tygh Runyan (born 1976), American/Canadian actor and musician