Matsudaira Daini

, better known as , was a Kaga samurai of the Bakumatsu who served as a karō to the Maeda clan. His common names were and .

Biography Daini was born as the second son of , a karō of Kaga Domain, in 1823. The Matsudaira family, as retainers to the Maeda clan, held 4,000 koku within Kaga. Daini watched over from 1856, and was a bugyō to Maeda Yoshiyasu, the heir to the fiefdom of Kaga, from 1860. He became a karō in 1863, and went to Kyoto in 1864.

As a , Daini accompanied Yoshiyasu to Kyoto in an attempt for mediation between the Chōshū samurai and the Tokugawa shogunate at the time of the Kinmon incident in 1864. The mediation failed, and in the ensuing battle, Yoshiyasu fled Kyoto. Maeda Nariyasu, Yoshiyasu's father, placed Yoshiyasu under house arrest. Daini took responsibility for Yoshiyasu's role in the Kinmon incident, and was forced to perform seppuku with Sagawa Yoshisuke as his kaishakunin. Yoshisuke recounted the circumstances of Daini's seppuku in his diary. Daini is interred at in Makino, Shiga, while his head is enshrined at in Kanazawa.

In 1879, buildings owned by the Ishikawa Prefecture Kanazawa Hospital were built on the site where Daini's family once resided.