Sihyun (시현), alternatively spelled as Shihyun or Sihyeon, may refer to:
- People
- Sihyeon of CSR
- Sihyeon of EVERGLOW, former Produce 101 and Produce 48 contestant
- SiHyeon, former member of ARIAZ
- Sihyeon, former member of AQUA, former Produce 101 and MIXNINE contestant
- Park Sihyeon, former member of Carcaro Girl
- Sihyun, former member of Gavy NJ
- Sihyun, former member of HOT PLACE
- Lee Sihyun, former member of LUNA KIDS
- Park Sihyun (formerly known as Park Juhyun), former member of SPICA
- Shihyun, former member of WE IN THE ZONE and Longguo & Shihyun and former Produce 101 Season 2 and Under Nineteen contestant
- Si-Hyun, former member of WishGirls
- Park Sihyun, former Dancing High contestant
- Song Si Hyun, former LOUD contestant
- Jeong Sihyun, former Produce 101 Season 2 contestant