Balliang is a locality in Victoria, Australia. It is divided between the Shire of Moorabool and City of Greater Geelong local government areas. It lies north of Geelong and 54 kilometres (34 mi) from the state capital, Melbourne. At the 2011 census, Balliang had a population of 243.
The locality was named for a house in Geelong owned by Foster Fyans, which was in turn named for Balliang (or Ballyang), who was an Aboriginal leader employed by Fyans. Balliang Post Office opened on 23 June 1910 and closed in 1968.