Monjebup Reserve is a 20.63 km nature reserve in south-west Western Australia. It is 140 km north-east of Albany, 340 km west of Esperance and 430 km south-east of Perth. It is owned and managed by Bush Heritage Australia (BHA), by which 9.56 km of it was purchased in 2005, with another 11.07 km in 2010, and forms part of BHA's Gondwana Link project.

The landscape is diverse, including upland duplex soils, breakaway complexes, sandplains, rocky slopes, hilltops and creeks. Its vegetation communities include mallee, heath, Eucalyptus and Casuarina woodlands, Melaleuca along creeks, Acacia acuminata woodland and Dryandra heath.

Animals either recorded, or expected to be present, on the reserve include malleefowl, western whipbird, Carnaby's cockatoo, western mouse, black-gloved wallaby and tammar wallaby. The habitat could support chuditch, red-tailed phascogale, honey possum, western pygmy possum and common brushtail possum.

• Bush Heritage Australia

34°14′35″S 118°33′40″E / 34.243°S 118.561°E / -34.243; 118.561