- Mar 1 Alain Resnais, French director (Muriel, Hiroshima mon amour), dies at 91
- Mar 1 Alejandro Zaffaroni, Uruguayan-born biochemist, helped create birth control pill and nicotine patch, dies at 91 [1]
- Mar 2 Justin Kaplan, American editor and biographer (Mr. Clemens and Mark Twain - Pulitzer Prize 1967), dies at 88
- Mar 3 William R. Pogue, American astronaut, dies at 84
- Mar 5 Alice Stoll, American research physiologist and pioneer in aerospace medicine (fire-resistant fabrics), dies at 96 [1]
- Mar 5 Geoff Edwards, American game show host, dies from pneumonia at 83
- Mar 6 Ron Murphy, Canadian NHL player, dies at 80
- Mar 6 Sheila MacRae, British-born actress (Jackie Gleason Show), dies at 92
- Mar 7 Pentti Raitio, Finnish composer (‘Lemminkainen Gatecrashes at Pohjola’), dies at 83
- Mar 8 William Guarnere, American WWII veteran and author, portrayed in the HBO miniseries Band of Brothers, dies at 90
- Mar 10 Joe McGinniss, American author (The Selling of the President 1968), dies at 71
- Mar 10 Shirley Scott, American swing and blues organist (with Stanley Turrentine), dies of heart failure at 67
- Mar 11 Bob Crow, English trade union leader (National Union RMT), dies of a heart attack at 52
- Mar 13 Ahmad Tejan Kabbah, Sierra Leonean economist, lawyer, and politician (President of Sierra Leone, 1996-2007 - interrupted by military coup d'etat for 9 months), dies at 82
- Mar 13 Al Harewood, American jazz drummer (Grant Green, Stanley Turrentine), and teacher, dies at 90
- Mar 13 Reubin Askew, American politician (37th Governor of Florida), dies at 85
- Mar 14 Tony Benn, British politcian, Minister of Technology and President of the Stop the War Coalition, dies aged 88
- Mar 14 Werner Rackwitz, German opera director and musicologist (Handel-Renaissance), dies at 84
- Mar 15 Clarissa Dickson Wright, English celebrity chef (Two Fat Ladies), dies at 66
- Mar 15 David Brenner, American stand-up comedian and TV talk show host (Nightlife) known as a pioneer of observational comedy, dies from cancer at 78
- Mar 16 Mitch Leigh, American musical composer (Man of La Mancha), dies at 86
- Mar 17 Gene Feist, American actor, playwright, producer and co-founder of Roundabout Theater Company, dies at 91
- Mar 17 Joseph Kerman, American educator and musicologist (Contemplating Music: Challenges to Musicology), dies at 89
- Mar 17 L'Wren Scott [Laura Bambrough], American fashion designer and partner of Mick Jagger, commits suicide at 49
- Mar 18 Joe Lala, American drummer, percussionist, singer ("Blues Image"), and actor, dies from complications of lung cancer at 66
- Mar 20 Hilderaldo Bellini, Brazilian soccer defender (51 caps; Vasco da Gama, São Paulo), dies from complications from a heart attack at 83
- Mar 21 Jack Fleck, American golfer (US Open 1955), dies at 92
- Mar 21 James Rebhorn, American actor, dies from melanoma at 65
- Mar 22 Patrice Wymore, American actress (The Big Tree), dies from natural causes at 87
- Mar 23 Adolfo Suárez, Prime Minister of Spain (1976-81), dies from a respiratory infection at 81
- Mar 23 Carmelo Bossi, Italian boxer (Olympic silver 1960; Lineal, WBC, WBA super welterweight title 1970-71), dies at 74
- Mar 23 Geriatric1927 [Peter Oakley], English video blogger, dies at 86
- Mar 25 Eddie Lawrence, American comedian and monologist (The Old Philosopher), dies at 95 [1]
- Mar 27 James Schlesinger, American economist and public servant (US Secretary of Energy, 1977-79; US Secretary of Defense, 1973-75; Chair of Atomic Energy Commission, 1973-75), dies at 85
- Mar 28 Jeremiah Denton, American politician (Senator-R-Alabama, 1981-86), dies at 89
- Mar 29 Billy Mundi [also Tony Schnasse, born Antonio Salas], American session musician and drummer (The Mothers of Invention; Rhinoceros), dies of complications from diabetes at 71
Hobart "Hobie" Alter (1933-2014)
Mar 29 American surf and sailing entrepreneur (created the Hobie Cat catamaran), dies of cancer at 80
- Mar 30 Kate O'Mara, English actress (Dynasty) and writer, dies at 74
- Mar 31 Charles Keating, American district attorney (Los Angeles California), dies at 90
- Mar 31 Frankie Knuckles [Francis Warren Nicholls, Jr.], American DJ and record producer who popularized house music in Chicago during the 1980s, dies of diabetes at 59
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning