Mariusz Krzysztof Siudek ( ; born 29 April 1972 in Oświęcim) is a retired Polish pair skater who competed with wife Dorota Siudek (Zagórska). They are the 1999 World bronze medalists, two-time (1999, 2000) European silver medalists and two-time (2004, 2007) European bronze medalists. They were the first Polish pair to win a medal at the World Championships. They now coach together in Toruń, Poland.