Kim So-yeon (born November 2, 1980 in Seoul) is a South Korean actress best known for her starring role in the television series All About Eve and Iris.
As of 2005 she performed Tsui Hark's "Seven Swords".
In 2008, she also had a main role in the drama Gourmet. She was one of the main actresses in the hit drama Iris. The drama is a mini series consisting of 20 episodes. She plays the role of a North Korean agent, Kim Seon-hwa. She has also played the leading role in the romantic drama Prosecutor Princess, alongside recent Chuno star Yoo gun and Iljimae star Park Si-Hoo. She belongs to the Namoo Actors agency.
In 2010, she guest starred in the Iris spin-off Athena: Goddess of War, reprising her role as Kim Seon-hwa in two episodes.