Lee Si-yeon
- Born
- 1 October 1995 (30 years)
- Place of birth
- Daegu, South Korea
- Gender
- Female
Lee Si-yeon (이시연) or simply known as Siyeon (시연) is a Korean artist under Dreamcatcher Entertainment. She is also the main vocalist of K-Pop girl group Dreamcatcher and a former member of MINX.
