Lala Hsu (traditional Chinese: 徐佳瑩; simplified Chinese: 徐佳莹; pinyin: Xú Jiāyíng; Pe̍h-ōe-jī: Chhî Ka-êng; born 20 December 1984) is a Taiwanese singer-songwriter. Hsu was born in Hualien County, Taiwan, and grew up in Taichung.

Hsu was a contestant in the third season of CTV's One Million Star in 2008. She won the contest with a self-composed and written song on 15 August of that year. She released her self-titled debut album on 29 May 2009. She has since published five albums to date; Lala Hsu in 2009, Limits in 2010, Ideal Life in 2012, Missing in 2014 and The Inner Me in 2017.

In 2010, Hsu won the Best New Artist award at the 21st Golden Melody Awards for her eponymously named album, Lala Hsu, becoming the first One Million Star alumni to win a Golden Melody Award. In 2015, she was nominated in six categories at the 26th Golden Melody Awards for the album Missing.

In 2016, Hsu was a participant of the fourth season of I Am a Singer which gained her wider attention in mainland China. A significant rise in popularity lead to numerous invitations to perform the theme songs of film and television works. In 2018, Hsu was named Best Mandarin Female Singer at the 29th Golden Melody Awards.