- Mar 2 Cleo Noel, US ambassador to Sudan, assassinated
- Mar 3 Vera Panova, Russian author and journalist (Sputniki), dies at 67
- Mar 4 (Calvin) "Scotty" Stoneman, American bluegrass fiddler (The Stoneman Family; The Kentucky Colonels), dies of anti-alcoholism medication overdose at 50
- Mar 4 Samuel Tolansky, British scientist and expert on spectroscopy (b. 1907)
- Mar 5 Michael Jeffery, British music manager (The Animials; Jimi Hendrix), dies in a mid-air plane collision over France at 39)
- Mar 5 Rupert Crosse, American actor, 1st African-American to be nominated for Best Supporting Actor Academy Award (The Reivers), dies of lung cancer at 45
- Mar 6 Paul Kletzki [Paweł Klecki], Polish-Swiss violinist, composer, and conductor, dies during orchestral rehearsal at 72
Pearl S. Buck (1892-1973)
Mar 6 American author (The Good Earth - Nobel Prize for Literature, 1938), and humanitarian, dies of lung cancer at 80
- Mar 7 Andre de Meulemeester, Belgian World War I fighter ace known as the "Eagle of Flanders" with 11 known kills and 19 unconfirmed, dies at 78
- Mar 8 Gordon Leggat, New Zealand cricket batsman (9 Tests, 2 x 50; Canterbury), dies at 46
- Mar 8 Ron "Pigpen" McKernan, American rock singer, harmonica player, and occasional keyboardist (Grateful Dead, 1965-72), dies of a gastrointestinal hemorrhage at 27
- Mar 10 Bull Connor, American law enforcement official who organized attacks on civil rights activists in Birmingham, dies at 75
- Mar 10 Richard Sharples, British politician, Governor of Bermuda (1972-73), assassinated in office at 56
- Mar 12 Esther Williamson Ballou, American organist, composer and educator, dies at 57
Frankie Frisch (1898-1973)
Mar 12 American Baseball HOF infielder (3 x MLB All-Star; 4 x World Series; NL MVP 1931; NY Giants, St.L Cardinals) and manager (St.L Cardinals, Pittsburgh Pirates, Chicago Cubs), dies at 74
- Mar 12 Manuel Rojas, Chilean writer (Hijo de Ladron), dies at 77
- Mar 13 Stacy Harris, Canadian born actor (NOPD, Doorway to Danger), dies at 54
- Mar 14 Howard Aiken, American computing pioneer (Harvard Mark I computer), dies at 73
- Mar 14 Murat B. "Chic" Young, US comic strip artist (Blondie), dies at 72
- Mar 14 Rafael Godoy, Colombian composer, dies at 65
- Mar 16 Carl Benton Reid, American actor (Pressure Point, In a Lonely Place), dies at 79
- Mar 17 Geertruida Magdelena Wilhelmina Bakker, Dutch actress (2 Orphans), dies at 81
- Mar 18 Lauritz Melchior, Danish-American baritone tenor (National Symphony), dies at 82
- Mar 19 Brew Moore [Milton Aubrey Moore], American jazz saxophonist, dies from injuries sustained in fall down a flight of stairs at 48
- Mar 21 Antoni Szałowski, Polish-French composer (The Resurrection of Lazarus; 2 Pieces for Ondes Martenot), dies of a heart attack at 65
- Mar 23 Ken Maynard, American stuntman and actor (Phantom Rancher, $50,000 Reward), dies of stomach cancer at 77
- Mar 25 Edward Steichen, Luxembourgish-American photographer (The Family of Man), dies at 93
- Mar 26 Don Messer, Canadian folk fiddler, and television host (Jubilee, 1959-73), dies of a heart attack at 63
- Mar 26 George Sisler, American Baseball HOF first baseman (AL MVP 1922; AL batting champion 1920, 22 St. Louis Browns) and manager (St. Louis Browns 1924–26), dies at 80
- Mar 26 Johnny Drake, American football running back who was First-team All-Pro 1940; 3 × NFL All-Star, Cleveland Rams, dies at 56
Noël Coward (1899-1973)
Mar 26 English playwright (Hay Fever; Private Lives), director (In Which We Serve -1942 Academy Award), actor and singer, dies of heart failure at 73
- Mar 26 Safford Cape, American-Belgian conductor, composer and music historian, dies at 67
- Mar 27 Boyan Georgiev Ikonomov, Bulgarian composer, dies at 72
- Mar 27 Michael Kalatozov, Russian director and cinematographer (When the Cranes Fly), dies at 69
- Mar 28 Hakuun Yasutani, Zen teacher/co-founder (Sanbo Kyodan), dies
- Mar 29 Melville Cooper, English stage and screen character actor (The Adventures of Robin Hood; Father of the Bride), dies of cancer at 76 [1]
- Mar 31 Kurt Thomas, German composer, dies at 68
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning