Vincent Duncker (9 November 1884 – unknown) was a German athlete who competed mainly in the 110 metre hurdles.

Medal record
Men's Athletics
Representing  Germany
Intercalated Games
Bronze medal – third place 1906 Athens 110 metre hurdles

He competed for Germany in the 1906 Intercalated Games held in Athens, Greece in the 110 metre hurdles where he won the Bronze medal.