Gierek may refer to:
- Edward Gierek (1913 - 2001), a Polish communist politician
- Gierek decade (Polish: gierkowska dekada)
- Stanisława Gierek, née Jędrusik (1918, Sosnoiwiec - 2007), wife of Edward
- Adam Gierek (born 1938, Zwartberg), a Polish post-communism politician, and son of Edward Gierek
- Ariadna Gierek-Łapińska, née Zankowicz (born 1938, Vilnius), Polish occulist physician, professor