text: Michael Murphy – Gemini Award-winning actor (M*A*S*H, Manhattan, Nashville, An Unmarried Woman, Tanner '88, Batman Returns, Magnolia)
  Jimmy Murray – former GM of Philadelphia Eagles and co-founder of Ronald McDonald House Charities
  John Murtha – U.S. Representative (D-PA)
  Franklin Story Musgrave – NASA astronaut
  Clay Myers – photographer (Pawprints of Katrina), animal welfare advocate
  Anton Myrer – author (Once an Eagle)
  N
  Art Nalls – pilot/owner of an air show business starring his privately owned Harrier jump jet
  Kelly Lynn Nauyokas – professional female bodybuilder
  James Neilson – Emmy Award-nominated film and television director (Bon Voyage!)
  John Nelson – founder of SWAT
  Oliver Nelson – jazz composer and musician
  Nick Newlin – rugby league player at the 2017 Rugby League World Cup
  Cody Nickson – television personality, winner of The Amazing Race 30, contestant of Big Brother 19
  Carlos I. Noriega – NASA astronaut
  Oliver North – Iran-Contra involvement, political commentator
  Ken Norton – world champion boxer, Boxing Hall of Famer
  O
  Warren Oates – National Society and New York Film Critics Circle Award-nominated actor (In the Heat of the Night, The Wild Bunch, Badlands, Stripes)
  Tom O'Brien – former NCAA head football coach, Boston College, NC State
  Gerald S. O'Loughlin – actor (The Rookies)