Sietse Rindert Fritsma (born 31 March 1972) is a Dutch politician and former civil servant.

[2] He focuses on matters of social affairs, employment, political asylum and immigration.

From March 2010 till January 2011 he was also a member and PVV fraction leader of the municipal council of The Hague.

He previously worked for the Dutch Immigration and Naturalisation Service (IND).

He obtained a master's degree in spatial science, specializing in regional geography of developing countries.