Marcell Deák-Nagy

Marcell Deák-Nagy (born 28 January 1992) is a Hungarian sprinter who specialises in the 200 and 400 metres.

At the 2010 World Junior Championships in Athletics in Moncton, Canada, Deák-Nagy won a silver medal over 400 metres.

At the 2012 European Athletics Championships in Helsinki, Finland, he won a silver medal over 400 metres.