Left State Councillor under Injo; pen name Sibuk; posthumous title Munjeong; accompanied Crown Prince Sohyeon to Shenyang

| Life | 1575 ~ 1648 |
| Era | 조선 중기 |
| Clan | 의령 남씨 |
Nam I-ung (1575-1648) of Uiryeong had the pen name Sibuk and posthumous title Munjeong. His father was Nam Wi and his mother, a second daughter of Han Ong of Cheongju; his elder brothers were Nam I-yeong and Nam I-jun, and younger brothers Nam I-geol and Nam I-min. His principal wife was of the Nampyeong Jo (daughter of Jo Gyeong-nam); his sons were Nam Du-sang and, by a secondary wife, Nam Du-rim.
He passed the civil examination under Gwanghaegun in 1613-1614 (sources differ on the year) and served as remonstrator, military secretary, and deputy director of the Office of Special Advisers. Under Injo he governed Anak, then served as Governor of Uiju and Hwanghae, and was named a first-class original merit subject in 1628 for helping suppress Yu Hyo-rip's rebellion. He went on to be vice-minister of Punishments, governor of Gyeonggi, Gongcheong and Gyeongsang, tutor to the crown prince, Inspector-General (1638), minister of Punishments, Personnel and Rites, and travelled to China as an envoy.
After the 1636 invasion he is introduced as having accompanied Crown Prince Sohyeon to Shenyang. He became Right State Councillor in 1646 and Left State Councillor in 1647-1648 (sources differ). His portrait is kept at Namsan Yeongdang in Geumnam-myeon, Sejong City, behind which are his tomb and a stele erected in 1658 under Hyojong.
He is introduced as one of five brothers born to Nam Wi and Lady Han of Cheongju. His wife of the Nampyeong Jo was a daughter of Jo Gyeong-nam.
He earned a reputation in provincial administration as magistrate of Anak, governor of Uiju and Hwanghae, and was named a first-class original merit subject in 1628 for helping suppress Yu Hyo-rip's rebellion.
Namsan Yeongdang was built by Confucian scholars in 1906 and is Sejong City Cultural Heritage Material No. 7 (designated 2012); it was previously South Chungcheong Cultural Heritage Material No. 72. A yeongdang houses a portrait and is separate from the tomb, so check locations before visiting.
His tomb lies behind Namsan Yeongdang in Geumnam-myeon, Sejong City, with a stele erected in 1658 (Hyojong 9).