Janusz Surname Meaning & Coat of Arms

Records tie Janusz closely to Janus. At root, the name means “A pet form of Jan, John”. Janusz is listed among the recognised spellings of Janus. Local scribes, dialects and emigration all left their mark on how the name was written. The same family of names includes Jaanus.

In the 2010 US Census, 1,117 Americans gave Janusz as their last name (rank 22,906). French birth records list 160 children named Janusz between 1891 and 2000.

Looking for a Janusz coat of arms? Arms were granted to families, not to surnames, and our research shows which heraldic tradition fits yours. Research your Janusz family history with a full surname report and painted coat of arms.