| Kalle Coster | |
| Full Name: | Kalle Kristian Coster |
| Nationality: | Dutch |
| Birth Date: | 1982 12, df=yes |
| Birth Place: | Leiden, Netherlands |
| Height: | 1.88 m |
| Classes: | Men's 470 |
| Club: | Watersportvereniging Braassemermeer |
| Show-Medals: | yes |
| Updated: | 14 January 2014 |
Kalle Kristian Coster (born 9 December 1982 in Leiden) is a sailor from the Netherlands. Coster represented his country for the first time at the 2004 Summer Olympics in Athens. With his brother Sven Coster as helmsman, Coster took 6th place as crew in the Dutch Men's 470. Coster's second Olympic appearance was during the 2008 Olympics in Qingdao again as crew in the Men's 470 with his brother as helmsman. Coster took the 4th place. Again with Sven as helmsman in the Men's 470 Coster crewed the Dutch 470 at the 2012 Olympics in Weymouth. The brothers finished in 12th place.
Kalle Coster is the son of Dick Coster.
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