Ōkubo Nagayasu (大久保 長安, 1545 – June 13, 1613) was a Japanese samurai bureaucrat and daimyō of the Edo period.
[1] He was in charge of silver mines at Sagami after 1601, at Sado after 1603 and at Izu after 1606.
[2] After his death, evidence of misconduct was found.
His fief was confiscated and his sons were ordered to commit suicide.
[1] This biography of a daimyō is a stub.