Liang Jiayin 梁嘉茵 (born 13 August 1990 in Hong Kong) is a Hong Kong singer‑songwriter. After completing a bachelor’s degree in English at the Chinese University of Hong Kong, she pursued graduate studies at the University of Hong Kong, earning a Master of Arts and a PhD in Literary and Cultural Studies. Her first album Please Be Careful of the Car Doors was released in 2011, followed by Why Prey'st Thou Upon The Poet's Heart? in 2012, then Too Earthly Ye Are For My Sport in 2014, followed by Don't Text Him in 2017 and GWENDOLYN in 2021; she also issued a live recording, I'm Fine, Thanks. in 2022, and the studio album So Beautiful in 2022. Her studio releases included Rage in Peace in 2024 and RAGE in 2025. Alongside albums, she issued singles such as "Network security risks" (2020), "Liyuan" (2020), "I'm using eye drops at Lau Fau Shan.jpg" (2021), "Sweet Christmas" (2021), and "Epidemic" (2025).