The 1911 South Sydney Rabbitohs season was the 4th in the club's history. The club competed in the New South Wales Rugby Football League Premiership (NSWRFL), finishing the season 3rd. The top two teams were to play each other for the grand final, however South Sydney and Eastern Suburbs both finished second on the ladder with 20 points. An addition playoff game was put in place to decide who would play Glebe in the final. Souths lost 23-10.