Dariusz Kowaluk (wuxuu dhashay 16 Abriil 1996) waa orodyahan reer Poland ah oo ku takhasusay orodka 400 mitir. Wuxuu ku guuleystay billad dahab ah 4 × 400 mitir oo isku xigta oo ka dhacday 2017 European U23 Championships
iyo sidoo kale billad dahab ah oo ku jirta isku dhafka 4 x 400 mitir ee ciyaaraha Olombikada xagaaga ee 2020.