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.
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
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.