Koombooloomba is a rural locality in the Tablelands Region, Queensland, Australia.

[2] In the 2021 census, the locality of Koombooloomba had "no people or a very low population".

[1] The locality was used during the construction of the Kareeya Hydro Power Station.

[3] Koombooloomba State School opened on 19 February 1953 and closed in 1963.

[6] In the 2021 census, the locality of Koombooloomba had "no people or a very low population".