Thomas Trevor, 22nd Baron Dacre

Thomas Crosbie William Trevor, 22nd Baron Dacre (5 December 1808 – 26 February 1890) was a British landowner and politician.

Born Thomas Brand, Dacre was the eldest son of General Henry Trevor, 21st Baron Dacre, and Pyne, daughter of the Very Reverend Maurice Crosbie, Dean of Limerick.

Henry Brand, 1st Viscount Hampden, Speaker of the House of Commons, was his younger brother.

Educated at Christ Church, Oxford, he was a member of Boodle's, White's and Brooks' clubs.

He died at The Hoo, Hertfordshire, in February 1890, aged 81, and was succeeded in the barony by his younger brother, Lord Hampden.