Harlaxton is a locality in the Toowoomba Region, Queensland, Australia. In the 2016 census, Harlaxton had a population of 2,547 people. Traditionally a rural area, most of the locality is now residential.

Harlaxton House is a heritage-listed villa at 6 Munro Street, Harlaxton, Queensland, Australia. It was built from 1869 to 1870 to 1910s circa. It was added to the Queensland Heritage Register on 21 October 1992.