Thomas Grey
Thomas Grey may refer to:
- Sir Thomas Grey (constable), English soldier, Constable of Norham Castle
- Sir Thomas Grey (chronicler), English soldier and chronicler, son of the above
- Sir Thomas Grey (conspirator), English aristocrat, ringleader of the Southampton Plot
- Thomas Grey, 1st Marquess of Dorset, English nobleman and courtier, also Earl of Huntingdon
- Thomas Grey, 2nd Marquess of Dorset, English magnate and courtier, son of the above
- Thomas Grey (Staffordshire MP), MP for Staffordshire (UK [Parliament constituency)|Staffordshire] in 1554
- Thomas Grey (Norwich MP), MP for Norwich in 1557
- Sir Thomas Grey (Northumberland MP, died 1570), MP for Northumberland in 1553, 1554 and 1558
- Sir Thomas Grey (Northumberland MP, died 1590), MP for Northumberland in 1586
- Thomas Grey, 15th [Baron Grey de Wilton], English aristocrat and soldier
- Thomas Grey, [Lord Grey of Groby], Member of Parliament for Leicester
- Thomas Grey, 2nd Earl of Stamford, Chancellor of the Duchy of Lancaster, son of the above
- Thomas Grey (poet), English poet
- Tommy Grey, Welsh rugby union and rugby league player
- Tom Grey, English footballer
- Thomas C. Grey, American legal academic and historian