Kim Ye-won debuted as an actress in the 2008 comedy film A Tale of Legendary Libido. She then landed her first TV acting gig in an episode of KBS2’s Hometown of Legends in 2009. She also had appearances in the tvN romantic comedy Flower Boy Ramyun Shop in 2011 and in TV Chosun’s Operation Proposal in 2012. In 2014, she joined the main cast of the SBS daily series I Only Want to Love. That same year, she starred in the stage productions of Goong: Musical and All Shook Up. Her performance in the latter won her the Rookie of the Year Award at 9th Daegu International Musical Festival Awards. In 2017, she became part of the SBS series Suspicious Partner, which earned her a Best Supporting Actress nomination at the SBS Drama Awards. In 2018, she played one of the main characters in Rich Man, a Korean remake of the Japanese drama Rich Man, Poor Woman. In 2019, she portrayed Kim Sun-ho’s older sister in JTBC’s Woohoo Waikiki 2.

Kim Ye-won studied at Chung-Ang University.