•
Mark Brown (footballer, born 1981), Scottish football goalkeeper (Motherwell, Inverness, Celtic, Kilmarnock, Hibernian, Ross County) •
Mark Brown (footballer, born 1984), Scottish football player (Alloa Athletic) •
Mark Brown (golfer) (born 1975), New Zealand golfer •
Mark Brown (linebacker, born 1961), American football linebacker for the Miami Dolphins and Detroit Lions •
Mark Brown (linebacker, born 1980), American football linebacker for the New York Jets and Arizona Cardinals •
Mark Brown (cricketer) (born 1958), Welsh cricketer •
Mark Brown (baseball) (born 1959), American former professional baseball pitcher •
Mark Brown (athlete) (born 1962 or 1963), Paralympic athlete from Great Britain and Gibraltar •
Mark Brown (rugby union) (born 1958), Welsh rugby union player ==Other uses==