Mark Bailey
Mark Bailey may refer to:
- Mark Bailey (rugby union) (born 1960), English rugby player, headmaster and professor of Later Medieval History
- Mark Bailey (cricketer) (born 1970), New Zealand cricketer
- Mark Bailey (footballer) (born 1976), former professional football defender
- Mark Bailey (baseball) (born 1961), former catcher in Major League Baseball
- Mark Bailey (composer and conductor), composer and conductor of Slavic sacred music
- Mark Bailey (diplomat), Canadian diplomat
- Bill Bailey (born 1965), real name Mark Bailey, British comedian
- Mark Bailey, a personal trainer on the British TV series The Biggest Loser