| Birth Date: | 2 April 1956 |
| Birth Place: | The Hague, the Netherlands |
| Sport: | Swimming |
| Club: | ZIAN, Den Haag |
| Show-Medals: | yes |
Josina ("Josien") Alida Elzerman (born 2 April 1956) is a former freestyle and breaststroke swimmer from the Netherlands, who competed for her native country at the 1972 Summer Olympics. There she was eliminated in the qualifying heats of the 200 m breaststroke, clocking 2:28.18, and finished in fifth place in the 4×100 m freestyle relay. Both her brothers Hans and Henk were Olympic swimmers.