Warracknabeal ( WO-rik-nə-beel) is a town in the Australian state of Victoria, located in the Victorian wheatbelt. Situated on the banks of the Yarriambiack Creek, 330 km northwest of Melbourne, it is the business and services centre of the northern Wimmera and southern Mallee districts, and hosts local government offices of the Shire of Yarriambiack. At the 2011 census, Warracknabeal district had a population of 2,745, of which 2,340 lived in the town.

As of the 2016 census, 2,438 people resided in Warracknabeal. The median age of persons in Warracknabeal was 50 years. Children aged 0–14 years made up 16% of the population. People over the age of 65 years made up 27.8 percent of the population. There are slightly more females than males with 50.2% of the population female and 49.8% male. The average household size is 2.1 persons per household. The average number of children per family for families with children is 1.9.