- Mar 1 Dolores Costello, American actress (Noah's Ark, Expensive Women), dies at 73
- Mar 1 Mustafa al-Barzani, Kurdish leader (KDP), dies at 75
- Mar 2 Christy Ring, Irish hurler (Cork 65 games, scoring tally [33-208], 8 x All-Ireland medals), dies at 58
- Mar 2 Edith Craig, actress (Harmony Lane, Smashing Rackets), dies at 71
- Mar 3 Tom Creavy, American golfer (PGA C'ship 1931), dies of a heart attack at 68
- Mar 4 Willi Unsoeld, American mountaineer (First ascent of the West Ridge of Mount Everest), dies at 52
- Mar 5 Vicente Ascone, Italian composer, dies at 81
- Mar 6 Charles Wagenheim, actor (Halligan-Gunsmoke), dies at 83
- Mar 7 Guiomar Novaes, Barzilain concert pianist (Brazilian Order of Merit), dies at 84
- Mar 7 Klaus Egge, Norwegian composer (Fanitullen), dies at 72
- Mar 9 Barbara Mullen, American actress (Thunder Rock, Innocent Sinners), dies of a heart attack at 64
- Mar 11 Jeanne Leleu, French pianist and composer, dies at 80
- Mar 11 Victor Kilian, American actor (Gentleman's Agreement), dies at 88
- Mar 15 Leonide Massine, Russian ballet dancer and choreographer (Diaghilev's Ballets Russes, 1914-20), dies at 82
- Mar 16 Jean Monnet, French political economist and diplomat, dies at 90
- Mar 19 Albert "Al" Hodge, American actor on radio (Green Hornet), and early television (Captain Video), dies of heart failure at 66
- Mar 19 Richard Beckinsale, English actor (Doing Time, Porridge, Lovers), dies at 31
- Mar 20 Mino Pecorelli, Italian journalist, shot dead in Rome at 50
- Mar 21 Evald Ilyenkov, Soviet philosopher (Dialectical Logic), dies at 55
- Mar 22 Ben Lyon, American actor (Hell's Angels, I Cover the Waterfront, Night Nurse), dies at 78
- Mar 22 Richard Sykes, British ambassador to the Netherlands, assassinated at 58 by the IRA in The Hague
- Mar 23 Philip Bourneuf, actor (Big Night, Frankenstein), dies at 71
- Mar 23 Ted Anderson, English footballer, 1929-48 (Torquay United, West Ham United, and 3 other teams), dies at 67
- Mar 23 Wiesje Bouwmeester, Dutch actress (Doodzonde), dies at 79
- Mar 24 Yvonne Mitchell, English actress (Nineteen Eigthy-Four) and writer, dies of cancer at 53
- Mar 25 Anton Heiller, Austrian organist and composer, dies at 55
- Mar 26 Jean Stafford, American writer (Pulitzer Prize 1970-The Collected Stories of Jean Stafford), dies at 63
- Mar 27 Ronald Adam, actor (Phantom Shot), dies at 82
- Mar 28 Emmett Kelly, American circus clown (Weary Willy), dies at 80
- Mar 29 Ray Ventura, French jazz pianist and big band bandleader ("Tout va très bien, Madame la Marquise"), dies at 69
- Mar 29 Sultan Yahya Petra, 6th Yang di-Pertuan Agong of Malaysia (1975-79), dies at 61
- Mar 30 Airey Neave, British MP (Conservative), killed in a car bomb by the Irish National Liberation Army at 63
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning