Goryeo official who served as grand academician of the Bomungak; founder of the Daejehak-gong branch
| Era | 고려 |
| Clan | 천안 전씨 |
Jeon Ik (全翊) was a Goryeo official who served as grand academician of the Bomungak and is the founder of the Daejehak-gong branch of the Cheonan Jeon clan. He is recorded as having passed both the civil examination and the licentiate examination; his dates could not be confirmed.
His descendants settled around Gwangju in Honam; his 10th-generation descendant Jeon Yu-seong (b. 1616) moved from Gwangju to Asan-myeon, Gochang, and the line spread across Jeolla.
His line settled in Gwangju and across Jeolla. The Joseon martyr Jeon Sang-ui was from Gwangju (whether he belonged to this branch could not be confirmed).