Thomas James Garland (October 25, 1866 – March 1, 1931) was the eighth bishop of the Diocese of Pennsylvania in the Episcopal Church from 1924 to 1931, having previously served as suffragan bishop from his election in 1911.

Born near Belfast, Ireland, the son of Robert Garland, an English army officer, and his wife, Eliza Jane Atwell.

His family moved to Pittsburgh, Pennsylvania, when Garland was still a boy.

He was educated privately and at St Bees School, Cumbria, England.

After a brief career in the steel industry, he attended Philadelphia Divinity School from where he graduated with a Bachelor of Divinity in 1891, and was ordained deacon for the Diocese of Pittsburgh on June 28, 1891, and priest the following year by Bishop Cortlandt Whitehead.