| Atie Voorbij | |
| Birth Date: | 20 September 1940 |
| Birth Place: | Hilversum, German-occupied Netherlands |
| Height: | 1.64 m |
| Weight: | 63kg (139lb) |
| Sport: | Swimming |
| Club: | De Robben, Hilversum |
| Show-Medals: | yes |
Aartje Johanna "Atie" Voorbij (20 September 1940 – 3 March 2024) was a Dutch butterfly swimmer who won a gold medal in the 4×100 m medley team event (together with Ada den Haan, Cocky Gastelaars and Lenie de Nijs) at the 1958 European Aquatics Championships. She also won a silver medal in 100 m butterfly at the same championships.[1] She participated in the 1960 Summer Olympics and was fifth in 100 m butterfly.[2] Between 1955 and 1960 she was five times national champion in 100 m butterfly and set nine world records in the 100 m butterfly and 4×100 m medley events.[3]
Voorbij died on 3 March 2024, at the age of 83.[4]