Seán O'Kennedy (20 January 1885 – 22 June 1949) was an Irish Gaelic footballer and hurler.

His championship career with the Wexford senior teams spanned fourteen years from 1908 until 1922.

The son of a merchant clerk, he was educated locally and later worked as an accountant.

O'Kennedy first played competitive hurling and Gaelic football with the New Ross Geraldines club.

He won an All-Ireland medal in 1910, before later becoming a key member of the Wexford senior football team.