Radim Rezník (born 20 January 1989) is a Czech footballer who plays for FC Viktoria Plzen.
Rezník started his league career at FC Baník Ostrava, where he played until 2011, when he moved to FC Viktoria Plzen.
He has also played for the Czech youth national teams since the under-16 level.
He is a member of the Czech under-21 team.
He represented the team at the 2011 UEFA European Under-21 Football Championship.