Bak Jiwon (Korean: ???; Hanja: ???; 1737–1805), styled Yeonam (Korean: ??; Hanja: ??, 'Rock of swallow'), was a philosopher and novelist in the late Joseon dynasty.
He has been regarded as one of the greatest thinkers of the so-called "Practical Learning (silhak)" movement.
Bak Jiwon belonged to the "School of Profitable Usage and Benefiting the People" (Korean: ?????; Hanja: ?????; RR: Iyong Husaeng-pa) to promote the industrialization of his country and the development of trade by positively introducing western technologies to Joseon Korea.
Bak Jiwon proposed that Joseon import advanced technologies from the Qing dynasty, and promote mercantilism.The scholars Bak Jega, Yu Deukgong and Yi Deokmu were influenced by Bak Jiwon.