Coomalbidgup is a town and locality of the Shire of Esperance in the Goldfields-Esperance region of Western Australia. It is located on the South Coast Highway and the Southern Ocean. Almost the entire coast of the locality is covered by protected area, with the Stokes Inlet and the Stokes National Park in the west and two unnamed nature reserves in the east.

At the 2021 census, Coomalbidgup had a population of 136.

The Shire of Esperance acknowledges the Wudjari people of the Noongar nation and the Ngadjumaya people as the traditional owners of the land it is on, with Coomalbidgup being located in the west of the shire, on the land of the Wudjari people.

The town of Coomalbidgup was gazetted in 1961, named after the nearby Coomalbidgup Creek. The name of the creek is of indigenous origin, with multiple meanings of the name recorded.

The Unnamed WA27888 Nature Reserve was gazetted on 3 December 1965 and has a size of 46.15 square kilometres (17.82 sq mi). The Unnamed WA26885 Nature Reserve was gazetted on 19 July 1963 and has a size of 52 square kilometres (20 sq mi). Both are located in the Esperance Plains bioregion.

The State Heritage listed Moir Homestead Ruins are located in Coomalbidgup. The ruins are located within Stokes National Park, on the eastern shore of the inlet.

• Stokes National Park