Valen Hsu (许茹芸, Xǔ Rú Yún , born 20 September 1974) is a Taiwanese Mandopop singer-songwriter.
She is known for her vocals, which are wispy yet strong and crystal-clear. Her singing voice and technique have been compared to Hong Kong's Faye Wong. In 1998, the Japanese magazine publication Asia Pop voted her as the best female pop vocalist in Asia. She has been known to deliver CD-quality live performances. Occasionally, she will play the piano while singing live at her concerts.
She has recorded 14 studio albums over the span of eight years, as well as four "Best Of" compilations. Her third album, If the Cloud Knows (如果云知道, rú guǒ yún zhī dào ), sold over 2.2 million copies alone in Taiwan.