- Mar 1 Dennis Danell, American guitarist (Social Distortion) (b. 1961)
- Mar 2 Sandra Schmirler, Canadian curler (Olympic gold 1998), dies at 36
- Mar 3 Toni Ortelli, Italian composer and alpinist (b. 1904)
- Mar 5 Lolo Ferrari [Eve Valois], French adult actress and dancer, dies from an overdose of prescription drugs at 37
- Mar 6 John Colicos, Canadian actor (Battlestar Galactica), dies of a heart attack at 71
- Mar 6 Chris Balderstone, English cricket batsman (England, belated faced WI in 1976), dies at 59
- Mar 7 Charles Gray, British actor (Clay-Rawhide, Diamonds Are Forever, The Rocky Horror Picture Show), dies at 71
- Mar 7 Pee Wee King [Julius Frank Kuczynski], American country singer, accordionist, and songwriter ("Tennesee Waltz"; "Slow Poke"), dies of a heart attack at 84
- Mar 7 Edward H. Levi, American law professor (Intro to Legal Reasoning), dies at 88
- Mar 9 Ivo Robić, Croatian singer and songwriter (b. 1923)
- Mar 10 John Sladek, American sci-fi author (Tik-Tok, Bugs), dies at 62
- Mar 12 Mack Robinson, American 200m dash (Olympic silver 1932), dies at 85
- Mar 15 Robert Welch, English designer, silversmith (Robert Welch flatware), dies at 70
- Mar 16 Thomas Ferebee, Enola Gay bombardier over Hiroshima, dies at 81
- Mar 18 Eberhard Bethge, German theologian (b. 1909)
- Mar 20 Gene Eugene, Canadian actor and singer (b. 1961)
- Mar 20 Vivian Fine, American composer (Women in the Garden), dies after a car accident at 86
- Mar 24 Al Grey, American jazz trombonist (Snap Your Fingers), dies aged 74
- Mar 25 Helen Martin, American actress (b. 1909)
- Mar 26 Alex Comfort, English author (The Joy of Sex), dies at 80
- Mar 27 Ian Dury, English rock musician (The Blockheads) and actor (Judge Dredd), dies at 57
- Mar 28 Albert "Ab" Abspoel, Dutch actor and director (Surprise Attack, Elevator), dies at 74
- Mar 28 Anthony Powell, British novelist (b. 1905)
- Mar 30 Beryl McBurnie, Trinidadian dancer (Little Carib Theatre), dies at 84