- Mar 2 Randolph Scott, American actor (Ride the High Country, Last of the Mohicans, Western Union), dies at 89
- Mar 3 Danny Kaye [David Daniel Kaminski], American comedian and actor (Danny Kaye Show, White Christmas), dies of heart failure at 76
- Mar 11 [Wayne] Woody Hayes, football coach (Ohio State), dies at 74
- Mar 11 Joe Gladwin, British actor (Nearest and Dearest, No Hard Feelings), dies at 81
- Mar 13 Bernhard Grzimek, German zoologist (West Germany), dies at 77
- Mar 13 Finn Videro, Danish organist and composer, dies at 80
- Mar 13 Gerald Moore, England, pianist (Am I Too Loud), dies at 87
- Mar 15 Sterling W Cole, (Rep-R-NY), dies at 82
- Mar 16 Scott McKay [Carl Chester Gose], American actor (Stage Door, Guest in House, 30 Seconds over Tokyo), dies of kidney failuyre at 71
- Mar 17 Santo Trafficante, Jr., American gangster (b. 1914)
- Mar 18 Bil Baird, puppeteer (Jack Paar Show), dies at 82
- Mar 19 Arch Oboler, American director, screen and radio writer, and producer (Lights Out, Bwana Devil), dies at 77
- Mar 19 Emile Meyer, actor (Young Jesse James, Lineup), dies
- Mar 19 Louis Broglie, French physicist (Nobel 1929), dies at 94
- Mar 19 Tony Stratton-Smith, journalist/record co CEO (Charisma), dies at 53
- Mar 19 Louis Victor de Broglie, French quantum physicist (studied electrons, Nobel Prize 1929), dies at 94
- Mar 20 Norman Harris, guitarist (O'Jays), dies at 39 of heart failure
- Mar 21 Dean Paul Martin, American actor (Misfits of Science), dies in a plane crash at 35
- Mar 21 Robert Preston [Meservey], American actor (Music Man, Mame, Last Starfighter), dies of lung cancer at 68
- Mar 22 Joan Shawlee [Fulton], American actress (Some Like It Hot, Prehistoric Women, Abbott & Costello Show), dies of cancer at 61
- Mar 23 Dean Paul Martin, musician/tennis pro, killed in plane crash at 29
- Mar 23 Adriaan Pitlo, Dutch lawyer, dies at 85
- Mar 25 Henry R LaBouisse, headed UNICEF (1965-79), dies at 83
- Mar 26 Walter Abel, American actor (Fury, Suspicion, Dream Girl), dies at 88
- Mar 26 Eugen Jochum, German conductor (b. 1902)
- Mar 27 Lloyd Goodrich, American Arts Museum director, dies at 90
- Mar 27 Bruno Kiefer, German-born Brazilian composer, dies at 63
- Mar 28 Maria Augusta Trapp, singer (Trapp Family Singers), dies at 82
- Mar 28 Patrick Troughton, English actor (second Doctor in Doctor Who), dies of a heart attack at 67