| Intro | Dutch swimmer |
| Is |
Athlete Swimmer |
| From | Netherlands |
| Type | Sports |
| Gender | female |
| Birth | 25 January 1960, Wageningen, Gelderland, Netherlands, Kingdom of the Netherlands |
| Age: | 60 years |
Annelies Maas (born January 25, 1960 in Wageningen) is a former freestyle swimmer from the Netherlands, who competed in two consequentive Summer Olympics for her native country, starting in 1976.
At her second Olympic appearance she won the bronze medal in the 4×100 m freestyle relay, alongside Conny van Bentum, Reggie de Jong and Wilma van Velsen. Her best individual finish was the fourth place in the 200 m freestyle at the Montreal Games (1976).