Seikōin (清光院, 1558 - July 19, 1631) was a Japanese noble woman from the Sengoku period and early Edo period. She was the wife of Mōri Terumoto. Her father was Shishido Takaie, and her mother was the daughter of Mōri Motonari, Lady Goryū. She was also called Lady Minami (南の大方, Minami no Ōkata).