Sven Jablonski (born 13 April 1990) is a German football referee who is based in Bremen.

Jablonski, referee of the club Blumenthaler SV, has officiated on the DFB level since 2010.

Liga for the 2011–12 season, with his first match as referee between VfR Aalen and Wehen Wiesbaden on 13 August 2011.

Bundesliga, refereeing his first match between FSV Frankfurt and RB Leipzig.

[1] Jablonski lives in Bremen, where he works as a bank teller.