Blackbutt is a rural town and locality in the South Burnett Region, Queensland, Australia. In the 2021 census, the locality of Blackbutt had a population of 799 people.

In the 2011 census, the localities of Blackbutt and Benarkin had a combined population of 1,055 people.

Blackbutt is the site of the Queensland Government’s first trial of using fibre composite in bridge building when it was used in the replacement of Taromeo Creek bridge in 2005. Fibre composite materials are much stronger than steel and concrete but also much lighter and do not rust.