- Mark Dalby, British clergyman, Deputy Grand Chaplain of UGLE
- James Broun-Ramsay, 1st Marquess of Dalhousie, British politician and colonial administrator, Governor-General of India (1848–1856), Grand Master of Scotland (1836–1838)
- David Dalrymple, Lord Hailes, Scottish judge and historian, Grand Master of Scotland (1774–1776)
- Sir Charles Dalrymple, 1st Baronet, British politician, Member of Parliament (1868–1906), Grand Master of Scotland (1893–1897)
- Eugene Goblet d’Alviella, Vice-chancellor of the Université Libre de Bruxelles and Belgian senator.
- Erasmus Darwin, English physician, philosopher, poet, grandfather of Charles Darwin. Member of Canongate Kilwinning Lodge No. 2, Edinburgh, Scotland.
- Jim Davidson, British comedian, Chelsea Lodge, England (resigned), Founding Master of British Forces Foundation (Lodge) No. 9725
- William Richardson Davie, American politician and Grand Master of North Carolina from 1792–1798.
- Carol Davila, Romanian Physician.
- William Crosby Dawson, U.S. Judge and Politician, San Marino Lodge No. 34, F.&A.M, Greensboro, Georgia. Grand Master of Masons in Georgia from 1843 until his death in Greensboro on 6 May 1856.
- Charles De Coster, Belgian author
- Roger De Courcey, Ventriloquist – Member of Chelsea Lodge No. 3098
- Antonio De Curtis, also known as Totò – Italian Actor – WM of Lodge Fulgor Artis, Rome, Italy
- Isabelle Gatti de Gamond, Pioneering Belgian secular educationalist and Socialist activist
- Johann de Kalb, Major general in the Continental Army during the American Revolutionary War. Pennsylvania Lodge No. 29
- Polydore de Keyser, Founding Member and first Junior Warden, MacDonald Lodge, No. 1216
- Claude Joseph Rouget de Lisle, Composer of La Marseillaise
- Sebastião de Melo, Marquis of Pombal, 18th-century Portuguese statesman
- William Ralph “Dixie” Dean, Everton and England footballer 1925–1937; initiated in Randle Holme Lodge, No. 3261, Birkenhead, Cheshire on 18 February 1931.
- Ovide Decroly, Belgian educationalist. initiated in Lodge Les Amis Philanthropes No. 2, Brussels in 1902
- Cecil B. DeMille, Movie Director, member of Prince of Orange Lodge No. 16, New York City
- Süleyman Demirel, 9th President of the Republic of Turkey. Bilgi Lodge No.015, Ankara. Grand Lodge of Turkey.
- Jack Dempsey, Heavyweight boxing champion in 1919, Kenwood Lodge No. 800, Chicago
- Laurence Dermott, Painter, Wine Merchant and Author. Grand Secretary, Ancients Grand Lodge, 1752–1771.
- John Theophilus Desaguliers, French-born British naturalist and scientist. Grand Master of the Premier Grand Lodge of England for the year 1719.
- Frédéric Desmons, Protestant priest who persuaded the Grand Orient de France to remove the term of the Great Architect of the Universe from their Constitution
- Willis Van Devanter, U.S. Associate Justice (1911–1937)
- Thomas E. Dewey, 47th Governor of New York (1902–1971)
- Blaise Diagne, Senegalese political leader
- Denver S. Dickerson, Governor of Nevada
- Denis Diderot (1712–1784), French philosopher, writer and art critique.
- John Diefenbaker, Prime Minister of Canada, Wakaw Lodge No. 166, Wakaw, SK
- Everett Dirksen, U.S. Congressman and Minority Leader of the U.S. Senate.
- Petar Dobrović, Serbian painter and politician
- Henry Dodge, U.S. Senator from Wisconsin.
- Bob Dole, U.S. politician Russell Lodge No. 177, Kansas
- Robert Dollar, Scottish-American industrialist and philanthropist
- Dr. Mark Donnelly Educator, author, and publisher
- Ed Doolan, US Radio Presenter
- James Doolittle, US General. Hollenbeck Masonic Lodge #319 Los Angeles, CA
- George Douglas, 16th Earl of Morton, Scottish politician, Lord High Commissioner (1819–1824), Grand Master of Scotland (1790–1792)
- Jim Douglas, Governor of Vermont
- Stephen A. Douglas, U.S. Senator, Lincoln-Douglas Debates; Springfield Lodge No. 4, Grand Orator of Illinois Grand Lodge.
- Tommy Douglas, Canadian politician, Weyburn Lodge No. 20, Weyburn, SK
- William O. Douglas, U.S. Associate Justice (1939–1975)
- Alexander Douglas-Hamilton, 10th Duke of Hamilton, Scottish politician, Member of Parliament (1802–1806), Grand Master of Scotland (1820–1822)
- Arthur Conan Doyle, British physician and author, creator of Sherlock Holmes.
- Edwin Drake, U.S. oil industry pioneer, Oil Creek Lodge No. 3, Titusville, Pennsylvania
- Richard Dreyfuss, U.S. actor, made a Mason at Sight by the Grand Master of the Grand Lodge of the District of Columbia.
- George Drummond, Scottish politician, Lord Provost of Edinburgh, Grand Master of Scotland (1752–1753)
- Gilbert du Motier, the Marquis de Lafayette, French military officer who served as a general in the American Revolutionary War and a leader of the Garde Nationale during the French Revolution.
- Jovan Dučić (1871–1943), Serbian poet, writer and diplomat.
- Robert Duff, British politician, Member of Parliament (1861–1893), Grand Master of New South Wales (1893–1895)
- Henry Dunant, Founder of the Red Cross and shared the first Nobel Prize
- John Duncan, Member of the United States House of Representatives from Tennessee.
- Thomas Dunckerley, Ritualist and author, Lodge No 31, Portsmouth
- Lawrence Dundas, 1st Earl of Zetland,
- Thomas Dundas, 2nd Earl of Zetland, Grand Master of Grand Lodge of England, 1844-70. Initiated in Prince of Wales’ Lodge No. 259 in 1830.
- Colonel Sir Weary Dunlop (12 July 1907 – 2 July 1993), Australian World War II Prisoner of War, Surgeon
- John Boyd Dunlop, Scottish inventor
- Alexander Roberts Dunn, First Canadian awarded the Victoria Cross.
- Herbert Dunnico, UK Politician and Master of the New Welcome Lodge
- Joseph Duveen, 1st Baron Duveen, UK art dealer, Royal Colonial Institute Lodge No. 3556
- Maçons notáveis – C
- Maçonaria (UGLE) aceita mulheres transexuais, que tenham aderido como homens
- Origem e primórdios do Rito Escocês Antigo e Aceite – Antecedentes em Inglaterra
- O maçon Rudyard Kipling
