Hartley Coleridge, possibly David Hartley Coleridge, was an English poet, biographer, essayist, and teacher. He was the eldest son of the poet Samuel Taylor Coleridge. His sister Sara Coleridge was a poet and translator, and his brother Derwent Coleridge was a scholar and author. Hartley was named after the philosopher David Hartley.

Samuel Taylor Coleridge was an English poet, literary critic, philosopher, and theologian who, with his friend William Wordsworth, was a founder of the Romantic Movement in England and a member of the Lake Poets. He also shared volumes and collaborated with Charles Lamb, Robert Southey, and Charles Lloyd.