- Death: 1563
- Title: Kanrei
- Distinction: Deputy Shôgun
Ujitsuna was an adopted son of Hosokawa Takakuni. He challanged Hosokawa Harumoto for the post of kanrei. He also clashed with Miyoshi Chokei but allied with him to defeat Miyoshi Masanaga in 1548. He later served as nominal kanrei during Miyoshi Chokei's domination of Kyoto affairs.
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005