People with the last name Janczewski in California
- Antoinette Janczewski
- Christopher Janczewski
- Claudia Janczewski
- Dora Janczewski
- Erica Janczewski
- Henry Janczewski
- Jenna Janczewski
- M Janczewski
- Mark Janczewski
- Michel Janczewski
- Michelle Janczewski
- Nkrumah Janczewski
- Rosa Janczewski
- Steve Janczewski
- Wiktor Janczewski
- William Janczewski
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