Lake Cairlocup is an ephemeral salt lake in the Great Southern region of Western Australia, approximately 42 km (26 mi) north-west of Jerramungup and 95 km (59 mi) south-east of Lake Grace.

[1] Fringing vegetation around the lake includes Hakea brachyptera, Lechenaultia acutiloba,[2] Angianthus halophilus, and Goodenia salina.

[3]