Justin Fox Greenlaw Foxton CMG (24 September 1849 – 23 June 1916) was an Australian barrister and politician.

He served in the Legislative Assembly of Queensland from 1883 to 1904 and held ministerial office in several liberal governments.

He later represented the seat of Brisbane in federal parliament (1906–1910) and was a minister without portfolio under Alfred Deakin.

He moved to Queensland in 1864 and briefly worked as a jackeroo, then read law with John Malbon Thompson in Ipswich.

This Act, the first effective such measure in Queensland, implemented a system of policed missions and reserves and stopped some female exploitation.