The 1909 New South Wales Rugby Football League premiership was the second season of Sydney's top-level rugby league football competition, Australia's first. Eight teams contested during the season for the premiership and the Royal Agricultural Society Challenge Shield; seven teams from Sydney and one team from Newcastle, New South Wales.

The South Sydney Rabbitohs are an Australian professional rugby league football club based in the Sydney suburb of Redfern that competes in the National Rugby League (NRL). They are often referred to as Souths or the Bunnies.