| Walden Martin | |
| Birth Date: | 28 September 1891 |
| Discipline: | Road racing |
| Role: | Rider |
| Proyears1: | 1912 |
| Proteam1: | U.S. Olympic Cycling Team |
| Show-Medals: | yes |
Walden Martin (September 28, 1891 - November 17, 1966) was an American road racing cyclist who competed in the 1912 Summer Olympics. He was part of the team which won the bronze medal in the Team road race. In the individual road race, he finished 17th.[1]