Hosokawa Mitsunao was a Japanese daimyō of the early Edo period. He was the grandson of the famous Christian convert (Kirishitan), Hosokawa Gracia. His great-grandfather was Hosokawa Fujitaka. His childhood name was Rokumaru (六丸).
- Occupation
- samurai
- Position held
- daimyo, Q141680227
- Citizenship
- Japan
- Born
- October 26, 1619
- Died
- January 28, 1650
