Thomas H. Grey (birth unknown – 3 January 1915) was a Welsh rugby union and professional rugby league footballer who played in the 1900s and 1910s. He played club level rugby union (RU) for Swansea RFC, as a halfback, and representative level rugby league (RL) for Wales, and at club level for Halifax (Heritage No. 151), and Huddersfield, as a stand-off, or scrum-half, i.e. number 6, or 7.