
Kozakken Boys is a Dutch football club from Werkendam, currently playing in the Derde Divisie — the fourth tier and second-highest amateur level in Dutch football.
The club was founded in 1932 as Steeds Voorwaarts Werkendam (SVW) and was renamed Kozakken Boys in 1935. The name refers to the Don Cossacks who liberated Werkendam from French occupation in 1813. Kozakken Boys is one of the most successful amateur clubs in the Netherlands and made a strong rise through the divisions in the 2010s. In 2016, the club was promoted to the Tweede Divisie (Second Division).