Yeon Namsaeng
| Yeon Namsaeng | |
| Hangul | 연남생 | 
|---|---|
| Hanja | 淵男生 | 
| RR | Yeon Namsaeng | 
| MR | Yŏn Namsaeng | 
Yeon Namsaeng (Korean: 연남생; Hanja: 淵男生; 634–679) was the eldest son of the Goguryeo Dae Magniji (대막리지, 大莫離支; highest-ranking official or dictator; "prime minister") Yeon Gaesomun (603? – 665). In 665, Yeon Namsaeng succeeded his father and became the 2nd Dae Magniji of Goguryeo.