Son Eon-jin (born January 11, 1982), better known by her stage name, Son Ye-jin, is a South Korean actress who rose to fame in 2003 in The Classic and Summer Scent, which were followed by the commercially successful A Moment to Remember (2004) and April Snow (2005). Her early romantic roles garnered her the title "Nation's First Love" in Korea.

Son has since won accolades and starred in other high-profile films, including My Wife Got Married (2008), Spellbound (2011), The Tower (2012), The Pirates (2014), The Last Princess (2016), Be with You (2018), and Park Chan-wook's The Truth Beneath (2016) and No Other Choice (2025). She has also acted in popular television dramas, such as Alone in Love (2006), Something in the Rain (2018), and Crash Landing on You (2019–2020). From 2019 to 2022, she appeared on Forbes Korea Power Celebrity 40 for four consecutive years.