Joi Chua (Chinese: ???; pinyin: Cà i Chúnjia, born August 3, 1978) is a Singaporean female pop singer.
Her most famous songs are "Waiting For A Sunny Day" («?????»), "Watching the Sunrise With Me" («?????»), the Chinese version of "Nada Soso" and "Wind Chimes" («??»).
She is also well known in Mainland China and Taiwan.