"Pai" Chatnapha Khiaokham, also known as PaiPai Orio, is a singer and actress born in Sisaket, Thailand. She studied at Marie Upatham School and has a bachelor's degree in computer sciences from Ubon Ratchathani Rajabhat University. She was managed by Sing Music Media (สิงห์มิวสิค มีเดีย) until December 30, 2024, when she became an independent artist under her own management, CNP Entertainement (ซีเอ็นพี เอ็นเตอร์เทนเม้นท์).

PaiPai is known as one half of the shipped pair and music duo NookPai, releasing her first duet with Nook Thanadon Sirikaew "Rak Na Tao Wan" (รักนะต้าววาฬ) in 2020.