John Proctor Gray was an English-born Australian politician.
Born in York, he was educated in England and became a business manager.
In 1889 he migrated to Australia, becoming a businessman in Sydney. He unsuccessfully contested the first federal election as a Free Trade Party candidate for the Senate in New South Wales, but was successful in 1903. He held the seat until his defeat in 1910.
After leaving politics, Gray became the chairman of the family company, but died in 1914.