- Mar 1 Ed Hoornik, Dutch writer & poet (Na jaren), dies at 59
- Mar 1 Lucille Hegamin, American singer & entertainer, dies at 75
- Mar 2 Marc-Aurèle Fortin, Quebec painter (b. 1888)
- Mar 2 Paul Christman, American College Football Hall of Fame quarterback (University of Missouri; All-Pro 1946, 47; Chicago Cardinals, Green Bay Packers), dies from a heart attack at 51
- Mar 6 William Hopper, American actor (Perry Mason, The Bad Seed, Rebel Without a Cause), dies of pneumonia following a stroke at 55
- Mar 10 Vasilis Avlonitis, Greek actor (b. 1904)
Erle Stanley Gardner
Mar 11 Erle Stanley Gardner, American writer (Perry Mason), dies at 80
- Mar 13 Rick Besoyan, American singer, actor, playwright, composer and director (Little Mary Sunshine), dies of internal hemorrhages at 45
- Mar 15 Josef Martin Bauer, writer, dies at 68
- Mar 15 Tarjei Vesaas, Nowegian poet and author (Isslottet), dies at 72
- Mar 16 Arthur Adamov, Russian-French playwright (Paolo Paoli), dies at 61
- Mar 16 Tammi Terrell, American soul singer (You're All I Need; with Marvin Gaye - Ain't No Mountain High Enough), dies of a brain tumor at 24
- Mar 16 Mary Ann Ganser, American pop singer (The Shangri-Las - "Leader of the Pack"), dies of a drug overdose at 22
- Mar 17 Fernand Crommelynck, Belgian playwright (Chaud et Frois), dies at 83
- Mar 20 Manolis Chiotis, Greek bouzouki virtuoso and songwriter (b. 1920)
- Mar 21 Marlen Haushofer, Austrian writer (The Wall), dies at 49
- Mar 21 Manolis Chiotis, Greek songwriter and musician (b. 1920)
- Mar 23 Del Lord, Canadian director (b. 1894)
- Mar 26 Fritz Ascher, German Expressionist artist, dies at 76
- Mar 29 Anna Louise Strong, American communist journalist (b. 1885)
- Mar 30 Heinrich Brüning, German politician and Chancellor of Germany (1930-32), dies at 84
- Mar 31 Semjon Timoshenko, Russ marshal/inspector-general (WWII), dies at 75