Seol Yoon-a, known professionally as Sullyoon, is a South Korean singer and MC under JYP Entertainment. She is a member of the girl group NMIXX.

Filmography

• 2025NMIXX 1st World Tour Episode 1: Zero Frontier Incheon Day 2
• SBS INKIGAYO UNICON in TOKYO DOME
• 2023Beyond Live - NMIXX THE 1ST FAN CONCERT NMIXX CHANGE UP : MIXX UNIVERSITY
• Eunchae's Star Diary — Sullyoon
• IDOL 1N2D
• Lee Mujin Service — Guest
• Weekly Idol — Sullyoon
• Show! Music Core — MC (Episode 804 - Present)

Appearances as themselves (18)

• 2026NMIXX: Heavy Serenade Documentary — Self
• 2026NMIXX: The First Note — Herself
• Call Me Baby — Self
• Fake Kim Hyoyeon — Self
• Minju's Pink Cabinet — Self
• 2024NMIXX 2nd Fan Concert "NMIXX Change Up : MIXX Lab" — Herself
• Sana’s Fridge Interview — Self
• Song Stealer — Self
• Whenever Possible — Self
• The Seasons — Self
• Tiny Desk Korea — Self
• worK-dol — Self
• Just an Excuse — Self
• NMIXX in Wonderland — Self
• NMIXX's KCON 2022 JAPAN Behind — Self
• PICK NMIXX — Self
• The Game Caterers — Self
• The Silence Of IDOL — Self