Thomas Gray was an English poet, letter-writer, classical scholar, and fellow at Pembroke College, Cambridge. He is widely known for his Elegy Written in a Country Churchyard, published in 1751.

Thomas Green Fessenden was an American author and editor who worked in England and the United States.

Thomas Guthrie Marquis (July 7, 1864–April 1, 1936) was a Canadian historian.

Thomas Hardy was an English novelist and poet. A Victorian realist in the tradition of George Eliot, he was influenced both in his novels and in his poetry by Romanticism, including the poetry of William Wordsworth. He was highly critical of much in Victorian society, especially on the declining status of rural people in Britain such as those from his native South West England.

Thomas Hardy was an English novelist and poet. A Victorian realist in the tradition of George Eliot, he was influenced both in his novels and in his poetry by Romanticism, including the poetry of William Wordsworth. He was highly critical of much in Victorian society, especially on the declining status of rural people in Britain, such as those from his native South West England.

Thomas Henry Huxley was an English biologist and anthropologist who specialized in comparative anatomy. He has become known as "Darwin's Bulldog" for his advocacy of Charles Darwin's theory of evolution.

Thomas Heywood was an English playwright, actor, and author. His main contributions were to late Elizabethan and early Jacobean theatre. He is best known for his masterpiece A Woman Killed with Kindness, a domestic tragedy, which was first performed in 1603 at the Rose Theatre by the Worcester's Men company. He was a prolific writer, claiming to have had "an entire hand or at least a maine finger in two hundred and twenty plays", although only a fraction of his work has survived.

Thomas Hobbes was an English philosopher. Hobbes is best known for his 1651 book Leviathan, in which he expounds an influential formulation of social contract theory. In addition to political philosophy, Hobbes contributed to a diverse array of other fields, including history, jurisprudence, geometry, theology, and ethics, as well as philosophy in general. He is considered to be one of the founders of modern political philosophy.

Thomas Holcroft was an English dramatist, miscellanist, poet and translator. He was sympathetic to the early ideas of the French Revolution and helped Thomas Paine to publish the first part of The Rights of Man.

Thomas Hood was an English poet, author and humorist, best known for poems such as "The Bridge of Sighs" and "The Song of the Shirt". Hood wrote regularly for The London Magazine, Athenaeum, and Punch. He later published a magazine largely consisting of his own works. Hood, never robust, had lapsed into invalidism by the age of 41 and died at the age of 45. William Michael Rossetti in 1903 called him "the finest English poet" between the generations of Shelley and Tennyson. Hood was the father of the playwright and humorist Tom Hood (1835–1874) and the children's writer Frances Freeling Broderip (1830–1878).