- Mar 1 Martha Wright [Wiederrecht;], American stage, concert and radio singer and actress (South Pacific; The Sound Of Music)), dies at 92
- Mar 1 Tony Warren [Anthony McVay Simpson], English actor and screenwriter (Coronation Street), dies at 79
- Mar 9 Robert Horton [Meade Howard Horton Jr.], American actor and singer (Kings Row, Wagon Train, Arena), dies at 91
- Mar 10 Ken Adam, British film production designer (James Bond sets), dies at 95
- Mar 13 Adrienne Corri, British actress (River, Doctor Zhivago), dies at 85
- Mar 16 Cliff Michelmore, English television presenter and producer (Tonight; Day By Day), dies at 96
- Mar 18 Jan Nemec, Czech film director (Diamonds of the Night), dies at 79
- Mar 18 Joe Santos, American actor (Rockford files), dies at 84
- Mar 21 Peter Brown [Pierre Lind de Lappe], American actor (Lawman, Laredo, Bold & Beautiful), dies at 80
- Mar 22 Rita Gam, American actress (Night People, Hannibal), dies at 88
- Mar 23 Joe Garagiola, American MLB catcher (4 teams, 1946-54), sportscaster, and TV host (Today Show), dies at 90
- Mar 23 Ken Howard, American actor (The White Shadow), dies at 71
- Mar 24 Garry Shandling, American comedian (It's Garry Shandling's Show, Larry Sanders Show), dies at 66
- Mar 28 James Noble, American actor (Benson, 1776, Airplane II: The Sequel), dies of a stroke at 94
- Mar 29 Jean Lapierre, Canadian politician and television host, dies at 59
Patty Duke (1946-2016)
Mar 29 American Academy and Emmy awarding actress (The Miracle Worker; The Patty Duke Show), and mental health advocate, dies of sepsis from a ruptured intestine at 69 [1]
- Mar 31 Douglas Wilmer, British actor (Sherlock Holmes, Octopussy, El Cid), dies of pneumonia at 96
- Mar 31 Ronnie Corbett, British comedian (The Two Ronnies), dies at 85
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