Janiszewski (feminine Janiszewska) is a Polish surname. Notable people with the surname include:
- Barbara Janiszewska (1936–2000), Polish athlete
- Henryk Janiszewski (born 1949), Polish ice hockey player
- Jerzy Janiszewski (born 1952), Polish artist
- Jill Janus (née Janiszewski; 1975–2018), American heavy metal singer
- Michał Janiszewski (1926–2016), Polish military officer
- Robert C. Janiszewski (born 1945), American politician
- Zygmunt Janiszewski (1888–1920), Polish mathematician
This page lists people with the surname Janiszewski.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.