Cognomen Karamatsu (Karamatsu 
) , around the globe, is a very rare family name. The family name Karamatsu is characteristic of Germany, where it is an extremely rare surname, the United States, and China.
| VARIANT | COUNTRY |
|---|---|
| Karamatsu | Germany, China, Brazil, United States |
| jon karamatsu American politician, US (b. 1974) |
|