This surname-related article is a stub. You can help Wikipedia by expanding it.The Aoyama clan (青山氏 Aoyama-shi?) was a Japanese clan which came to prominence during the Sengoku period. Its origins were in Kōzuke Province; however, members of the family moved to Mikawa Province and served the Matsudaira clan (later known as the Tokugawa clan). The Aoyama became a daimyo family during the Edo period.