- Letters to Eleanora
- The Death of Adonis, a pastoral elegy, from the Greek of Bion (1759)
- The Tears of Music: a poem to the Memory of Mr. Handel, with an Ode to the River Eden (1760)
- A Hymn to Hope (1761)
- Solyman and Almena: an Oriental tale (1762)
- The Viceroy: a poem, addressed to the Earl of Halifax (1762), anon.
- Letters on Religious Retirement, Melancholy, and Enthusiasm (1762)
- The Visions of Fancy, in four elegies (1762)
- The Effusions of Friendship and Fancy, in several letters to and from select friends (1763) anon., in 2 vols.
- The Enlargement of the Mind. Epistle I, to General Craufurd (1763-5), in 2 parts
- The Letters that passed between Theodosius and Constantia after she had taken the Veil, now first published from the original manuscripts (1763)
- The Correspondence between Theodosius and Constantia from their first acquaintance to the departure of Theodosius, now first published from the original manuscripts, by the Editor of "The Letters that passed between Theodosius and Constantia after she had taken the Veil (1764)
- Genius and Valour: a Scotch pastoral (1764)
- Sermons, by the Editor of "Letters between Theodosius and Constantia," (1764), in 2 vols.
- Letters on the Eloquence of the Pulpit, by the Editor of the "Letters between Theodosius and Constantia (1765)
- The Poetical Works of William Collins, with Memoirs of the Author, and Observations on his Genius and Writings (1765)
- Poetical Works (1766)
- Sermons preached before the Honourable Society of Lincoln's Inn . . . Second edition (1767)
- Precepts of Conjugal Happiness, addressed to a Lady on her Marriage (1767)
- Verses in Memory of a Lady, written at Sandgate Castle (1766)
- Letters supposed to have passed between M. De St. Evremond and Mr. Waller, by the Editor of the "Letters between Theodosius and Constantia (1769)
- Frederic and Pharamond, or the Consolations of Human Life (1769)
- Plutarch's Lives . . . from the original Greek, with Notes Critical and Historical, and a new Life of Plutarch (1770), in 6 vols., co-authored with William Langhorne
- The Fables, of Flora (1771)
- A Dissertation, Historical and Political, on the Ancient Republics of Italy, from the Italian of Carlo Denina, with original Notes, &c. (1773)
- The Origin of the Veil: a poem (1773)
- The Country Justice: a poem, by one of Her Majesty's Justices of the Peace for the county of Somerset (1774-7), in three parts
- Milton's Italian Poems, translated and addressed to a gentleman of Italy (1776)
- Owen of Carron: a poem (1778)
- Poetical Works (1804), in 2 vols., edited by John Theodosius Langhorne
- "Verses" in Poems and Extracts by William Wordsworth (1905)
Works about LanghorneEdit
- "Langhorne, John," in Dictionary of National Biography, 1885-1900, London: Smith, Elder, & Co. (1885–1900) in 63 vols.
- "Langhorne, John," in Encyclopædia Britannica (11th ed., 1911)
Some or all works by this author were published before January 1, 1928, and are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.