| Christer Wallin | |
| Birth Date: | 17 June 1969 |
| Birth Place: | Timrå, Sweden |
| Show-Medals: | yes |
Bengt Christer Wallin (born 17 June 1969) is a Swedish former freestyle swimmer. He won the silver medal in the 4 × 200 m freestyle relay at the 1992 Summer Olympics together Tommy Werner, Anders Holmertz and Lars Frölander.
Four years later, when Atlanta, Georgia hosted the Summer Olympics, Wallin was on the team that once again captured the silver medal, this time alongside Frölander, Holmertz, and Anders Lyrbring. Wallin competed in three consecutive Summer Olympics for his native country, starting in 1988.