Zhang Yu (born September 25, 1982, in Guizhou, China) is a prominent actor from Mainland China, known for his transformative roles and deep commitment to independent cinema. Formerly credited under the name Zhang Xin, he is celebrated for embracing complex characters and unconventional projects, earning the reputation of being a "drama addict" within industry circles.

With over a decade dedicated to supporting and promoting independent films, Zhang has become an influential figure among contemporary Chinese actors. He rose to international attention with his powerful performance as Yu Cheng in An Elephant Sitting Still (2018), followed by widely praised roles in Dying to Survive, A Cool Fish, and Back to the Wharf. His work often explores themes of morality, societal pressure, and emotional nuance, setting him apart as a master of subtle intensity.