Waa Wei (; born 10 October 1982) is a Taiwanese singer-songwriter, radio DJ, author, actress and artist. She was the former lead vocalist of the indie band Natural Q. She has published eight solo albums: La Dolce Vita in 2007, Graceful Porcupine in 2010, No Crying in 2012, You Lovely Bastard in 2014, Run! Frantic Flowers! in 2016, Hidden, Not Forgotten in 2019, Have a Nice Day in 2021, and Ordeal by Pearls in 2024. She also appeared in the 2021 film The Falls. She is a two-time recipient of the Golden Melody Award for Best Female Mandarin Singer, having won in 2020 for Hidden, Not Forgotten and in 2025 for Ordeal by Pearls.
She is a radio DJ of Hit FM (Taiwan), OH Night DJ(OHå¤ÂDJ) from 21:00 to 23:00 every weekday.