Arvin Slagter (born 19 September 1985) is a Dutch basketball player who plays for the Netherlands men's national 3x3 team.

Slagter also played for several other Dutch 5vs5 teams in his career, including Rotterdam, Bergen op Zoom, Leiden and Groningen.

Slagter left the defending champion Leiden and signed with GasTerra Flames (formerly Donar) from Groningen for the 2013–14 season.

[8] On 8 July 2016, Slagter signed a 1-year contract with Donar, which he previously played for in the 2013–14 season, when the team was named "GasTerra Flames".

[15] On 24 August 2006, Slagter made his debut for the Netherlands national basketball team in a game against Iceland.

He is also praised for his leadership capability in the Netherlands, as he was part of championship teams with different clubs in the DBL.

His younger brother, Gian, also played professional basketball for Apollo Amsterdam and Rotterdam.