- Mar 1 Henry Wade, American lawyer (Dallas County District Attorney 1951-87), dies at 86
- Mar 2 John Diamond, British journalist, dies of cancer at 47
- Mar 3 Louis Edmonds, American actor (b. 1923)
- Mar 4 Fred Lasswell, American cartoonist (b. 1916)
- Mar 4 Glenn Hughes, American disco singer (The Village People (Biker)), dies of cancer at 50
- Mar 4 Harold Stassen, American politician (25th Governor of Minnesota) and perennial presidential candidate, dies at 93
- Mar 4 Jim Rhodes, American politician, Governor of Ohio (b. 1909)
- Mar 6 Kim Walker, American actress (b. 1968)
- Mar 7 Frankie Carle [Francesco Carlone], American pianist, known as "the Wizard of the Keyboard", big band and dance orchestra leader, and songwriter ("Sunrise Serenade"; "The Golden Touch"), dies at 97
- Mar 8 Edward Winter, American actor (b. 1937)
- Mar 10 Massimo Morsello, Italian fascist political singer and songwriter, dies at 42
- Mar 10 Michael Woodruff, English surgeon and scientist (organ transplantation), dies at 89
- Mar 12 Henry Lee Lucas, American drifter and serial killer, dies at 64
- Mar 12 Morton Downey, Jr., American television talk show host (b. 1933)
- Mar 12 Robert Ludlum, American spy novelist (Bourne Identity), dies at 73
- Mar 13 Cranley Onslow, British politician (C), dies at 74
- Mar 13 Encarnacion Alzona, Filipino historian (b. 1895)
- Mar 13 John A. Alonzo, American cinematographer (pioneered handheld work, lighting techniques and HD video development), dies at 66
- Mar 15 Ann Sothern, American actress (b. 1909)
- Mar 16 Bob Wollek, French race car driver (b. 1943)
- Mar 16 Norma MacMillan, Canadian voice actress (Casper the Ghost), dies at 79
- Mar 17 Zinaida Voronina, Russian and Soviet gymnast (1968 Olympics: 4 medals including 1 gold), dies at 53
- Mar 18 John Phillips, American singer and guitarist (Mama & Papas-California Dreaming), dies at 65
- Mar 19 Charles K. Johnson, American President of the Flat Earth Society, dies at 76
- Mar 20 Luis Alvarado, Puerto Rican baseball player (b. 1949)
- Mar 21 Anthony Steel, British actor and singer (Malta Story, The Wooden Horse), dies from lung cancer at 80
- Mar 21 Chung Ju-yung, Korean industrialist (b. 1915)
- Mar 22 Earl Beal American doo-wop baritone (The Silhouettes - "Get A Job"), dies at 75
William Hanna (1910-2001)
Mar 22 American animator (Tom and Jerry, Scooby Doo) and founder of studio Hanna-Barbera, dies at 90
- Mar 23 David McTaggart, Canadian co-founder of Greenpeace, dies in a car accident at 68
- Mar 23 Irving "Sully" Boyar, American actor (Dog Day Afternoon, Car Wash), dies of a heart attack at 76
- Mar 23 Rowland Evans, American news reporter (CNN-Evans & Novak), dies at 79
- Mar 24 Muriel Young, English TV entertainer (b. 1928)
- Mar 25 Brian Trubshaw, British test pilot, first to fly Concorde. dies at 77
- Mar 27 Anthony Dexter [Walter Fleischmann], Canadian actor (The Phantom Planet, Captain John Smith and Pocahontas), dies at 88
- Mar 28 Jim Benton, American football end (All Pro 1945, 46; NFL 1940s All-Decade Team; Cleveland/LA Rams, Chicago Bears; first to rush 300+ yards 1945), dies at 84
- Mar 28 Moe Koffman, Canadian jazz saxophonist and flautist (Cool and Hot Sax), dies at 72
- Mar 28 Vlastimir Nikolovski, Macedonian composer and pedagogue, (The Serdar), dies at 74
- Mar 29 Helge Ingstad, Norwegian explorer (b. 1899)
- Mar 29 John Lewis, American jazz pianist, arranger, and composer (Modern Jazz Quartet, 1952-97), dies of prostate cancer at 80
- Mar 31 Clifford Shull, American physicist, Nobel laureate (b. 1915)
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning