Natalie Hsu En Yi (Chinese: 許恩怡; born 2004) is a Hong Kong actress who made her debut as a child actor and gained recognition for her role in the drama film Fly Me to the Moon (2024).

Hsu was born in 2004.^[1] She is the daughter of retired actress and occupational therapist Ann Bridgewater [zh].^[2] She started learning classical dance, ballet, and modern dance at the age of three, completing examinations for all grades at the Royal Academy of Dance.^[2][3] She discovered her mother's profession as an actress only until she turned ten, and albeit joining the drama club at school, she initially had no intention of becoming an actress herself.^[2] Hsu pursued her education at Independent Schools Foundation Academy, where she took theatre studies in the International Baccalaureate curriculum.^[4][5]

In the summer of 2020, Hsu received a message from Kim Chou [zh], an artist agent and a friend of her mother, that director Zhang Yibai was seeking a schoolgirl actress with a dancing background for his latest feature film project The Day We Lit Up the Sky, and invited Hsu to join the audition.^[2][4] After winning the role, Hsu left school to join the production.^[4] In the film, she portrayed Wong, a schoolgirl with dreams of becoming a dancer.^[6] Her performance earned her Best Newcomer in the 4th Golden Crane Awards presented on the Chinese Japan International Festival the following year.^[4][7] Hsu also appeared in several music videos, including Leo Ku and Edan Lui's "Floating Classroom [zh]".^[8] In 2023, Hsu played the role of Ling, the daughter of Isabella Leung's character, in the action thriller film Bursting Point, directed by Dante Lam.^[9]

In 2024, Hsu took on the role of Lam Tsz Kuet, the younger version of Angela Yuen's character, in the film Fly Me to the Moon.^[10][11] The character is a Hunanese girl who migrates to Hong Kong and faces discrimination and family issues.^[10] Hsu is also slated to appear in lead roles in the upcoming psychological thriller film Peg O' My Heart [zh],^[12] and the drama film My First of May [zh].^[13]