Callitris oblonga, also known as the South Esk pine, pigmy cypress pine, pigmy cypress pine, river pine, or Tasmanian cypress pine, is a species of conifer in the family Cupressaceae. It is endemic to Australia, where it is native to New South Wales and Tasmania, with one subspecies introduced in Victoria. It is considered vulnerable and faces a number of threats including land clearing, habitat degradation, and damage from or competition with invasive species.