Mundoona is a locality in northern Victoria, Australia in the local government area of the Shire of Moira. At the 2016 census, Mundoona had a population of 119.

Yalca post office (in the Mundoona locality) opened on 9 September 1879, and closed on 23 August 1957. Mundoona State School post office opened in 1907, renamed Mundoona in 1907, and closed on 18 July 1952.