Mateusz Kowalczyk may refer to:
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Mateusz Kowalczyk (tennis)
Mateusz Kowalczyk (; born 3 May 1987) is a Polish tennis
Tennis is a List of racket sports, racket sport that is played either individually against a single opponent (singles (tennis), singles) or between two teams of two players each (dou ...
(born 1987), Polish tennis player who specialises in doubles
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Mateusz Kowalczyk (footballer) (born 2004), Polish footballer
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Mateusz Kowalczyk (figure skater)
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Mateusz Kowalczyk (speedway rider)
{{hndis, Kowalczyk, Mateusz