- Abraham Rees (talk) - Rees's Cyclopaedia
- Adam Bromberg (talk) - Wielka Encyclopedia (Polish)
- André le Breton (talk) - Encyclopedie publisher
- Andrew Bell (engraver) (talk) - Encyclopaedia Britannica co-founder
- Andrew Findlater (talk) - edited Chambers's Encyclopaedia
- Archibald Constable (talk)
- Arthur Mee (talk) - The Children's Encyclopaedia
- Arthur Twining Hadley (talk)
- Aulus Cornelius Celsus (talk)
- Avicenna (talk) - Persian, 980-1037, The Book of Healing
- Baron d'Holbach (talk)
- Benedykt Chmielowski (talk) - Polish, Nowe Ateny mid 18th century
- Benjamin of Tudela (talk)
- Bruno Meissner (talk) - German assyriologist who made a couple specialist encycs
- Charles Maclaren (talk)
- Christopher Hibbert (talk)
- Colin Macfarquhar (talk)
- David Blair (encyclopedist) (talk)
- David Brewster (talk)
- David Patrick (writer) (talk) - edited Chambers's Encyclopaedia after Andrew Findlater
- Denis Diderot (talk)
- Dimitrie Alexandresco (talk)
- Donald Mackenzie Wallace (talk)
- Encyclopædia Britannica, Inc. (talk)
- Ephraim Chambers (talk)
- Euhemerus (talk) - I think I've seen his Sacred History as an unusual encyclopedic text
- Francesc Eiximenis (talk)
- François Quesnay (talk)
- Funk & Wagnalls (talk)
- Gaetano De Sanctis (talk)
- George Gleig (talk)
- Gervase of Tilbury (talk)
- Grolier (talk)
- Herrad of Landsberg (talk)
- Hugh Chisholm (talk)
- Ichtiar Baru van Hoeve (talk)
- Institute of Encyclopaedic Research (talk) - Ukranian state-supported acaemic research and publishing org
- Isaac Broydé (talk)
- Isidore of Seville (talk)
- James Browne (writer) (talk)
- James Tytler (talk)
- János Apáczai Csere (talk)
- Jean-Baptiste de La Chapelle (talk)
- Jean-François Marmontel (talk)
- Jean le Rond d'Alembert (talk)
- Jean Paul de Gua de Malves (talk)
- Jeremiah Joyce (talk) - The British Encyclopaedia (~1800)
- Johann Heinrich Alsted (talk)
- John Alexander Hammerton (talk)
- John L. Heilbron (talk)
- John Mills (encyclopedist) (talk)
- Jorge Cauz (talk)
- Julius Eisenstein (talk)
- Karl Josef Rudolph Cornely (talk)
- Lawrence Beyerlinck (talk)
- Louis de Jaucourt (talk) - the most prolific contributor to the Encyclopedie
- Louis-Jean-Marie Daubenton (talk) - contributor to Encyclopedie
- Macvey Napier (talk) - editor of Britannica
- Marcus Terentius Varro (talk)
- Martianus Capella (talk)
- Martijn Theodoor Houtsma (talk) - Encyclopaedia of Islam - 1851-1943 - Dutch
- Montesquieu (talk)
- Olinthus Gregory (talk) - 1774-1841, Pantologia, English mathematician
- Paul Otlet (talk)
- Periyasaamy Thooran (talk) - Tamil Encyclopedia
- Pierre Larousse (talk) - 1817-1875, Grand Dictionnaire universel du XIXe siecle (among others)
- Pliny the Elder (talk)
- Robert Burton (scholar) (talk)
- Robert Cawdrey (talk) - 1538-1604, Table Alphabeticall
- Samuel Orgelbrand (talk) - 1810-1868, prominent Polish printer, Universal Encyclopedia
- Science and Encyclopaedia Publishing Centre (talk) - previously the Science and Encyclopaedia Publishing Institute - Lithuanian publishing house, supported by the Lithuanian Republic's Ministry of Education and Science, established 1997 as a reorganization of Science and Encyclopaedia Publishers (founded 1992 via merger of Mokslas Publishing with State Encyclopaedia Publishers) - principle goal to complete 20-volume Universal Lithuanian Encyclopaedia
- Seneca the Younger (talk) - Naturales questiones (1st century)
- Sextus Pompeius Festus (talk)
- Silvio D'Amico (talk)
- Society for the Diffusion of Useful Knowledge (talk)
- Terje Bratberg (talk) - Trondheim byleksikon, Norwegian, b. 1955
- Thomas Browne (talk) - Pseudoxia Epidemica, 1605-1682
- Thomas Dobson (printer) (talk) - 1751-1823 - printer, published Britannica in America (also first to publish Hebrew Bible in America)
- Thomas Stewart Traill (talk) - 1781-1862 - edited 8th edition of Britannica
- Verrius Flaccus (talk) - 55 BCE- 20 CE - Roman grammarian, wrote Rerum memoria dignarum libri, much used by Pliny the Elder
- Vincenzo Coronelli (talk) - 1650-1718 - Franciscan monk, cosmographer, cartographer, publisher - known for atlases and globes. wrote Biblioteca Universale Sacro-Profana and the atlas Atlante Veneto
- William Nicholson (chemist) (talk) - edited The British Encyclopaedia
- William Robertson Smith (talk) - an editor of Britannica, contributor to Encyclopaedia Biblica
- William Smellie (encyclopedist) (talk) - editor of the first edition of Britannica
- Éditions Larousse (talk) - founded by Pierre Larousse, best known for Petit Larousse
- Étienne Bonnot de Condillac (talk) - contributor to Encyclopedie
Specialist encyclopedias
edit- Albertus Seba (talk) - Locupletissimi rerum naturalium thesauri, a thesaurus of the natural world (specimens, etc.). Dutch.