Onamihime

Onamihime 阿南姫
Castellan of Sukagawa castle (De facto Nikaidō clan head)
In office 1582–1589
Preceded by	Nikaidō Yukichika
Personal details
Born	July 4, 1541
Died	August 30, 1602
Spouse	Nikaidō Moriyoshi
Children	Nikaidō Heishiro Nikaidō Yukichika
Parents	Date Harumune (father) Kubohime (mother)
Relatives	Date Terumune (brother) Date Masamune (nephew)
Military service
Allegiance	Date clan Ashina clan Satake clan
Unit	Nikaidō clan
Battles/wars	Battle of Hitotoribashi Battle of Koriyama Battle of Suriagehara Siege of Sukagawa

Onamihime (阿南姫, July 4, 1541 – August 30, 1602) was a late-Sengoku period Onna-musha. She was the first daughter of Date Harumune, sister of Date Terumune and aunt of Date Masamune. She was the ruler of Sukagawa castle in Mutsu Province. She was best known for being a potential enemy of her nephew, Masamune, participating in several campaigns against expansion of the Date clan in the region of Ōshū.