KOYAMA
Koyama
Koyama is a Japanese surname with historical ties to Japan. This surname originated in Japan and is not traditionally associated with British heritage. Anglicised versions of Japanese surnames are occasionally adopted by individuals with Japanese ancestry who reside in the United Kingdom or have familial connections. It is important to note that records of British individuals with the surname Koyama may exist due to migration, marriage, or other circumstances. However, the name's origins and primary usage are rooted in Japan.
There are approximately 41 people named Koyama in the UK. That makes it one of Britain's least common surnames. Only around one in a million people in Britain are named Koyama.