Zajdel is a surname of Polish origin. Notable people with this surname include:

Janusz Zajdel (1938–1985), Polish science fiction author Saulie Zajdel, Canadian politician Stan Zajdel (1927–2017), American football player and coach

See also

Janusz A. Zajdel Award, often called just Zajdel, the annual award for Polish science fiction and fantasy named after the author of the same name

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