Thomas Wenman may refer to:
Thomas Wenman (MP for Westbury) (1745–1796), British member of parliament (MP), professor, natural historian, and antiquarian Thomas Wenman (MP for Buckingham) (c. 1548–1577), English country gentleman and briefly an MP Thomas Wenman, 2nd Viscount Wenman (1596–1665), English landowner and politician, MP multiple times for Brackley, and for Oxfordshire