Lee Sang-yeon (이상연; born November 4, 1996), known mononymously as Sangyeon (상연), is a South Korean singer-songwriter under One Hundred Label. He is the leader of the boy group THE BOYZ.
Mystery Music Show: King of Mask Singer
Series • 2015
Idol Radio
Series • 2018
Show! Music Core
Series • 2005
Weekly Idol
Series • 2011
Show! Champion
Series • 2012
After School Club
Series • 2013
Hello Counselor
Series • 2010
Star Road
Stars' Top Recipe at Fun-Staurant
Series • 2019
IDOL 1N2D
Series • 2022
Idol Room
The Show
Idol Human Theater
Series • 2021
Buzz Rhythm
Jae Joong and Friends
Series • 2023
Castaway Diva
Racket Boys
Romance in the House
Series • 2024
Kingdom: Legendary War
Road to Kingdom
Series • 2020
Stealer: The Treasure Keeper
Venue101
FLAGLIA: Story of Summer Vacation
NPOP
THE BOYZ Flower Snack
Series • 2017
Idol House
SSAP-DANCE THE BOYZ
DND (Do Not Disturb) THE BOYZ
Stealer House
Idol Wonderland