Sydor

Sydor or Sidor may refer to:

People

 * Andrzej Sydor (born 1937), Polish chess player
 * Alison Sydor (born 1966), Canadian cross country mountain cyclist
 * Darryl Sydor (born 1972), Canadian professional ice hockey defenceman
 * David Albin Zywiec Sidor (1947–2020), American-Nicaraguan Roman Catholic bishop
 * Dmytro Sydor (born 1955), Ukrainian/Rusyn priest and political activist
 * Christian Sidor (fl. 1994–2005), paleontologist
 * Karol Sidor (1901–1953), far right Slovak nationalist politician
 * A nickname of Oleksandr Sydorenko (born 1960), Soviet swimmer

Other

 * Sydor, Sidor, Sydir, variations of the given name Isidore
 * SIDOR, a Venezuelan steel corporation
 * Sydor, an Elfquest character