1772 – October 8, 1804) was a lawyer, judge and political figure in Upper Canada.

He was probably born in New York, but came to Canada with his parents (James Gray and Elizabeth Low) at the beginning of the American Revolution.

He assumed the duties of the attorney general after the death of John White in 1800 until Thomas Scott arrived in 1801.

The ship sank off Presqu'ile Point in a storm on Lake Ontario and all hands were lost.

Gray was a slave owner and, upon his death, he freed one enslaved woman, Dorinda (or Dorine) Baker, through his will.