The Wee Jasper Nature Reserve is a protected nature reserve that is located in the Southern Tablelands region of New South Wales, in eastern Australia.

The 630-hectare (1,600-acre) reserve is situated to the west of the Goodradigbee River arm of Burrinjuck Dam near the rural locality of Wee Jasper.

[2] The reserve was created in 1979 with 426.2 ha (1,053 acres) of land.

[2] Four distinct forest ecosystems exist in the reserve:[2] The Australian anchor plant (Discharia pubescens) and limestone brittle-moss (Orthotrichum cupulatum) are rare.

The Yass daisy (Ammobium craspedioides) is listed as vulnerable under the Threatened Species Conservation Act 1995 (NSW) (TSCA 1995).