- Mar 2 Čestmír Gregor, Czech composer, dies at 84
- Mar 3 Aldo Clementi, Italian composer (Collage), and teacher (University of Bologna, 1971-92), dies at 85
- Mar 4 Johnny Preston, American pop singer (Running Bear), dies at 71
- Mar 8 Mike Starr (musician), American Musician (b. 1966)
- Mar 11 Loleatta Holloway, American disco singer ("Love Sensation"), dies of heart failure at 64
- Mar 12 Joe Morello, American jazz drummer (Dave Brubeck Quartet - "Blue Rondo à la Turk"), dies at 82
- Mar 12 [Augustus] Owsley Stanley III, American audio engineer and LSD cook who worked with the Grateful Dead, dies in a car crash in Australia at 76
- Mar 14 Ronnie Hammond, American rock singer (Atlanta Rhythm Section, 1972–83 & 1988–2001 - "So In To You"), dies of heart failure at 60
- Mar 15 Melvin Sparks, American soul-jazz, hard bop, jazz-blues, and session guitarist (Lou Donaldson, Houston Person, Jimmy McGriff), dies from complications of diabetes at 64
- Mar 15 Nate Dogg [Nathaniel Dwayne Hale], American rapper ("Regulate"), dies from heart failure related to multiple strokes at 41
- Mar 15 Smiley Culture [David Victor Emmanuel], British reggae singer ("Police Officer"; "Cockney Translation"), dies from a self-inflicted stab wound at 48
- Mar 17 Ferlin Husky, American country singer (Born to Lose, Gone), dies at 85
- Mar 18 Jet Harris [Terence Harris], English rock bassist (Drifters), dies of cancer at 71
- Mar 19 Kym Bonython, Australian radio broadcaster, jazz musician, speedway promoter, dies at 90
- Mar 20 Johnny Pearson, British pianist, arranger, orchestra leader, and composer (Cilla Black; Top of the Pops; Dusty Springfield), dies at 85
- Mar 21 Pinetop Perkins, Member of the Blues Hall of Fame (b. 1913)
- Mar 28 Lee Hoiby, American concert pianist composer (1957 Arts & Letters; Summer and Smoke), dies at 85
- Mar 31 Mel McDaniel, American country singer ("Baby's Got Her Blue Jeans On"), dies of lung cancer at 68
Country Singers
Jazz Singers
Opera Singers
Pop Singers
Rappers
Rock Singers