Coyrecup is a rural locality of the Shire of Katanning in the Great Southern region of Western Australia. The Coyrecup Nature Reserve, centred around Coyrecup Lake, is located within Coyrecup.
Coyrecup is located on the traditional land of the Koreng people of the Noongar nation.
Coyrecup was once a siding on the Katanning to Pingrup railway line. The siding opened in 1912, under the name of Wurnup, was renamed to Coyrecup in 1922, and closed permanently in 1985.
The historic Holland Track passes through Coyrecup, following the Katanning-Nyabing Road, on its way to Coolgardie.
The Coyrecup Nature Reserve was gazetted on 28 April 1967, has a size of , and is located within the Avon Wheatbelt and Mallee bioregions.