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- Lanei Chapman (born 1973), American actress
- Laura Chapman, American voice actress, known for English-language dubs of anime series
- Lee Chapman (born 1959), English football player
- Leland Chapman (born 1976), American Hawaii-based bail bondsman and bounty hunter
- Leonard F. Chapman, Jr. (1913–2000), American Commandant of the U.S. Marine Corps
- Les Chapman (born 1948), English football player and manager
- Lloyd Chapman (born 1949), American founder of the American Small Business League
- Lonny Chapman (1920–2007), American television actor
- Luke Chapman (born 1991), English footballer
- Lyssa Chapman (born 1987), American bounty hunter
Read more about this topic: Chapman (surname)