Joseon official and calligrapher famed for fast writing
| Life | 1620 ~ 1699 |
| Era | 조선 중기 |
| Clan | 함열 남궁씨 |
Namgung Ok (courtesy name Yeosang, pen name Changju) was a son of governor Namgung Yul and younger brother of Namgung Jip. He passed the licentiate exam in 1646 and the special civil examination in 1652.
In 1669, as a Ministry of Rites secretary, he handled the royal plaque for an academy honoring Gil Jae and Kim Jangsaeng. He then served as county magistrate seven times and in 1690 rose to Seungmunwon head and Chunchugwan compiler, reaching the post of sijeong. He was famed for prose and calligraphy, especially fast writing, and was reputed to be incorruptible; his calligraphy survives on the reconstruction stele of Daeheungsa on Mt. Cheonma in Gaepung. He died in 1699.