Last name Katou (カトウ 
, Katou 
, كاتو 
) , all over the world, is quite a rare surname. The family name Katou is characteristic of Japan, where it is a rare surname, Egypt, and Algeria. Much more frequently, Katou is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| カトウ | Japan |
| Katou | Japan, China, Morocco, Algeria, Ivory Coast |
| كاتو | Sudan, Iraq, Egypt, Jordan |
| Като | Kyrgyzstan, Russia, Ukraine, Bulgaria |
| shadi katou researcher (ORCID 0000-0001-5482-7458) |
|
|
| daigo katou Japanese actor |
|
|
| shinpei katou researcher (ORCID 0000-0001-5379-1422) |
|
|
| daisuke katou researcher |
|
|
| hidetaka katou researcher |
|