Numata Jakō (沼田麝香, 1544 – September 4, 1618) also known as Hosokawa Maria (細川 マリア) was a Japanese noble lady of the Sengoku period. She was the wife of Hosokawa Fujitaka and mother of Hosokawa Tadaoki. She was best known for fighting and for accompanying Hosokawa Fujitaka in the siege of Tanabe during Sekigahara Campaign.