Kim Mi-sun (Korean: 김미선; born December 2, 1986[3]), better known by the stage name Song Ha-yoon (송하윤), is a South Korean actress.

She is best known for her roles in the television series Fight for My Way (2017) and Marry My Husband (2024).

[4][5] After the success of Marry My Husband, Song came under media radar for being an alleged bully in school.

A comment made by the alleged victim regarding Song using violence surfaced.

[6][7][8] The victim alleged that when Song had invited him to meet and had then held him down and hit him for 90 minutes.