Riner is a surname. Notable people with the surname include:
Claudia Riner (born 1948), American politician John Alden Riner (1850–1923), American judge Nicole Riner (born 1990), Swiss tennis player Teddy Riner (born 1989), French judoka Tom Riner (born 1946), American politician William A. Riner (1878-1955), American judge