Most Common Surnames in Kōchi Prefecture (Japan)

Kōchi Prefecture is a prefecture of Japan located on the island of Shikoku. Kōchi Prefecture has a population of 757,914 and has a geographic area of 7,103 km². Kōchi Prefecture borders Ehime Prefecture to the northwest and Tokushima Prefecture to the northeast.


1. Yamamoto 14.6k
Heard it \
Haven't heard it
2. Komatsu 12.2k
Heard it \
Haven't heard it
3. Yamazaki 10.4k
Heard it \
Haven't heard it
4. Hamada 9.1k
Heard it \
Haven't heard it
5. Takahashi 8.6k
Heard it \
Haven't heard it
6. Inoue 6.3k
Heard it \
Haven't heard it
7. Nishimura 6.2k
Heard it \
Haven't heard it
8. Kawamura 5.8k
Heard it \
Haven't heard it
9. Yamanaka 5.7k
Heard it \
Haven't heard it
10. Matsumoto 5.7k
Heard it \
Haven't heard it
    index: 1x 0.039186954498291s
fmsppl-page-output: 1x 0.033765077590942s
t_/pages/worldnames/region: 1x 0.033735990524292s
t_/blocks/list-of-surnames: 1x 0.026127099990845s
t_/common/header: 1x 0.0056610107421875s
router_page: 1x 0.004918098449707s
t_/common/head: 1x 0.0012998580932617s
head-tags: 1x 0.0012679100036621s
t_/common/footer: 1x 0.00033998489379883s
t_/common/searcher-result: 1x 0.00010108947753906s
----- END OF DUMP (2026-05-13 22:02:05)  -----