- Died: 1524
- Sons: Urakami Munekage, Urakami Mimasaka no kami Masamune (d.1564?)
- Distinction: Bizen warlord
Muramune was a son of Urakami Munesuke. He was originally a vassal of the Akamatsu but rebelled and claimed much of Bizen province for himself. He supported Hosokawa Takakuni in his war with Hosokawa Harumoto. He took Takamatsu castle in 1523 and in 1524 destroyed Akamatsu Masamura. However, that same year he was killed in battle at Imamiya.
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005