Mark Nelson
Mark Nelson or Marc Nelson may refer to:
- Mark Nelson , American theater actor, director, and acting teacher
- Mark Nelson , English cricketer
- Mark Nelson, superintendent of the North Dakota Highway Patrol
- Mark Nelson, artist whose work has appeared in role-playing games and comic books
- Mark Nelson , artist who has contributed public art to the Chicago area
- Mark Nelson, boxing referee from Maplewood, Minnesota
- Mark Nelson, musician with the band Pan American
- Mark Nelson , defensive coordinator for the Edmonton Eskimos
- Mark Nelson
- Mark Nelson , Scottish former footballer
- Mark Nelson, video game designer
- Mark Nelson, American ecologist
- Mark L. Nelson, American chemist
- Mark T. Nelson, American physiologist
- Marc Nelson , American singer-songwriter and former member of R&B group Boyz II Men
- Marc Nelson, Australian host in the Philippines