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
Surname listThis 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. Categories: