Family name Cation (凯申 
, Kation 
, Cation 
) , in the entire world, is a rare cognomen. The cognomen Cation is characteristic of Canada, where it is a rare surname, Australia, and the United Kingdom, where it is a very rare surname. Measured by absolute frequency, it is commonest in the United States, Canada, and the United Kingdom. Also, Cation is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 凯申 | China |
| Kation | Brazil, Malaysia, United States, Greece |
| Cation | Philippines, Canada, Australia, United States, United Kingdom |