Maarten Brzoskowski (born 19 September 1995) is a Dutch competitive swimmer of Polish origin who specializes in freestyle.

[2] Later that year, he made the finals in the 200 and 400 meter freestyle events at the 2015 European Short Course Championships in Netanya, Israel.

At the 2016 European Aquatics Championships in London, he won the gold medal in the 4 × 200 meter freestyle relay, swimming the second leg.

[5] The team, also consisting of Dion Dreesens, Kyle Stolk, and Sebastiaan Verschuren, broke the Dutch record.

In the latter he finished 5th, breaking the 14-year old Dutch record held by Pieter van den Hoogenband.