Jan Chrapek (18 July 1948 – 18 October 2001) was a Polish Roman Catholic bishop of the Diocese of Radom.

He began attending a minor seminary of the Congregation of Saint Michael the Archangel at Miejsce Piastowe in 1962.

After taking his perpetual vows, he began to study philosophy and theology at the Instytut Teologiczny Księży Misjonarzy [pl].

[3] In 1986, Chrapek was elected Superior General of the Congregation of Saint Michael the Archangel, which he served as until his nomination as bishop.

On 25 March 1992, Pope John Paul II appointed Chrapek as auxiliary bishop of Drohiczyn and titular bishop of Cataquas; he was consecrated by Józef Kowalczyk, with co-consecration from Kazimierz Świątek and Edward Kisiel, on 5 June 1992 in Drohiczyn.