- Born: 1581
- Died: 1634
- Titles: Hyôbu-shôsuke
- Other names: Miyabe Nagafusa, Miyabe Sadayuki
- Distinction: Toyotomi retainer
Nagahiro was the son of Miyabe Tsugimasu. He succeeded his father in 1596 and held a sizable fief in Inaba and Tajima. In 1600 he sided with the Western Army and served under the Kakiya in the Siege of Ôtsu Castle (1600). After the battle he was stripped of his holdings and placed in the custody of Nanbu Toshinao.
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005