Park Hae-jin (born May 1, 1983) is a South Korean actor. He is best known for his supporting roles in dramas My Love from the Star (2013) and Doctor Stranger (2014), and his leading roles in Bad Guys (2014), Cheese in the Trap (2016), Man to Man (2017), Forest (2020), Kkondae Intern (2020), and From Now On, Showtime! (2022).

朴海鎮（박해진，Park Hae Jin），韓國男演員、模特兒。2013年因出演電視劇《來自星星的你》打開海內外知名度 ，2016年在《奶酪陷阱》劇中飾演看似完美、內心卻神秘複雜的劉正學長而大受歡迎。2020年其所主演的電視劇《老頑固實習生》在MBC演技大賞奪得「大獎」，是其演藝事業上首個大獎殊榮。