Callitris roei, or Roe's cypress-pine, is a species of conifer in the cypress family, Cupressaceae, native to Australia, where it is endemic to southwestern Western Australia from Moora south to Albany and east to Cape Arid National Park.

It is an evergreen shrub or small tree growing to 5 m tall. The leaves are borne in decussate whorls of three, scale-like, 2–5mm long and 1–1.5mm broad; leaves on seedlings are longer and needle-like, not scale-like. The seed cones are globose, 1–2cm diameter, with six scales in two whorls of three; they mature in about 18 months from pollination. The pollen cones are cylindrical, 3–6mm long and 1.2–2mm broad.

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