Paul Sun-Hyung Lee is a Canadian actor and television host. He is best known for his roles as Randy Ko in the soap opera Train 48 (2003–2005) and as family patriarch Appa in the play Kim's Convenience (2011) and its television adaptation (2016–2021).

Kim's Convenience is a Canadian television sitcom that aired on CBC Television from October 2016 to April 2021. It depicts the Korean Canadian Kim family that runs a convenience store in the Moss Park neighbourhood of Toronto: parents "Appa" and "Umma" – Korean for dad and mom, respectively – along with their daughter Janet and estranged son Jung. Other characters include Jung's friend and coworker Kimchee and his manager Shannon. The series is based on Ins Choi's 2011 play of the same name.