Stephen "Steva" Riordan (born 1876) was an Irish hurler who played as a half-forward for the Cork senior team.
Riordan made his first appearance for the team during the 1902 championship and was a regular member of the starting seventeen until his retirement after the 1908 championship. During that time he won two All-Ireland medals and three Munster medals. An All-Ireland runner-up on two occasions, Riordan captained the team to the All-Ireland title in 1903.
At club level Riordan won multiple county club championship medals with Dungourney and Blackrock.