Kujō Masamoto (九条 政基, 1445–1516), son of regent Mitsuie, was a kugyō or Japanese court noble of the Muromachi period (1336–1573). He held a regent position kampaku from 1476 to 1479. Kujō Hisatsune was his son.

• Father: Kujō Mitsuie
• Mother: Karahashi Aritoyo’s daughter
• Wives and Children:
  • Wife: Jusanmi Tomoko
    • Kujō Hisatsune
  • Wife: Mushanakoji Takamitsu’s daughter
    • Hosokawa Sumiyuki (1489-1507)
  • unknown
    • Jijiyuin
    • son (1505-1564) adopted by Ashikaga Yoshitane
    • son (?-1582)
    • 3 sons

• ネケト. 九条家（摂家） (in Japanese). Archived from the original on 2007-09-27. Retrieved 2007-08-25.