Rei Naoi (直井怜), also known as her stylized name REI (レイ), is a Japanese singer under Starship Entertainment. She is a member of the girl group IVE.

Filmography

• Strange: Junji Ito's Tales for Sleepless Nights — Theme Song Performance
• 20252025 IVE The 3rd Fan Concert
• Debut's Plan
• 2025IVE Live at Lollapalooza Berlin 2025
• IVE THE 1ST WORLD TOUR 'SHOW WHAT I HAVE' - ENCORE
• 2025IVE WORLD TOUR 'SHOW WHAT I AM' CONCERT LIVE IN SEOUL - DAY 3
• 2025Music Bank in Lisbon 2025
• When I leave the house, I feel like I'm going to die — 선생님
• 크레이지 리치 코리안
• IVE THE 1ST WORLD TOUR 'SHOW WHAT I HAVE'
• 2024IVE THE 1ST WORLD TOUR 'SHOW WHAT I HAVE' - ENCORE
• Follow Rei
• 2023IVE THE 1ST WORLD TOUR 'SHOW WHAT I HAVE'
• 2023IVE THE FIRST FAN CONCERT 'The Prom Queens'
• Pokémon Horizons — Theme Song Performance
• 2022I'VE SUMMER
• IDOL 1N2D
• Lee Mujin Service — Guest
• The Silence Of IDOL — Rei
• Men on a Mission

Appearances as themselves (23)

• 2026IVE THE 4TH FAN CONCERT 〈DIVE into IVE〉 — Herself
• Call Me Baby — Self
• 2025IVE THE 1ST WORLD TOUR SHOW WHAT I HAVE - ENCORE — self
• 2025IVE: Live at Lollapalooza Paris 2025 — Self
• Sixth Sense: City Tour — Self
• Country Life of Gen-Z — Self
• 2024IVE THE 1ST WORLD TOUR in CINEMA — Self
• NOPOGY — Self
• Sana’s Fridge Interview — Self
• K-Pop Generation — Self
• The Seasons — Self
• Han Moonchul's Dashcam Review — Self
• IVE OFF — Self
• Just an Excuse — Self
• 2022Kpop.Flex 2022 Global Stream — Self (Rei)
• Music Universe K-909 — Self
• 1,2,3 IVE — Self
• IVE ON — Self
• IVE ON — Self
• The Game Caterers — Self
• IU's Palette — Self
• Amazing Saturday — Self
• Running Man — Self - IVE Member