Paddys River is a locality in the Southern Highlands of New South Wales, Australia, in Wingecarribee Shire. The locality was previously known as Murrimba. It is south of Canyonleigh. According to the, there were 31 people living at Paddys River. At the 2021 census, the population had increased to 64. The locality takes its name from the watercourse, Paddys River (Southern Highlands). This locality should not be confused with another identically-named locality, in the Snowy Valleys Council Local Government Area.