Surname Schwerdtman (Schwerdtman 
) , all over the world, is a very rare cognomen. The cognomen Schwerdtman is characteristic of New Zealand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Schwerdtman | New Zealand, United States |
| catharina elisabetha schwerdtman (b. 1607) |
|