Kelvin Yu (born 1979) is an American actor and screenwriter. Yu's first film was the 2003 comedy "Utopian Society." He later appeared uncredited in the 2005 film "Elizabethtown." The following year, Yu got a supporting role in the comedy "Grandma's Boy." Yu played a role in the episode "Double Exposure" (3x6) of the series "Ghost Whisperer" as Joseph. Yu got a supporting role in the 2008 biographical political drama "Milk," which was awarded an Oscar.

Yu appeared in several short films, including "My Prince, My Angel" in 2006. Later, Yu appeared alongside Linda Park in the ABC series "The Thursday Murder Club," and also starred in the 2007 short film "Fortune Hunters." In 2020, he played a role in the film "Wonder Woman 1984."

Yu had a recurring role in the original Netflix series "Master of None" as Brian Chang, the on-screen counterpart of show creator Alan Yang, whom Vulture magazine called "a handsome guy." He voices a supporting character in the series "The Great North." In 2022, Yu appeared in the Apple TV+ series "Afterparty."