Bart Baker (born May 5, 1986) is an American social media personality, singer, and comedian. He is best known for making parody videos of notable songs, for which Billboard dubbed him one of the most prolific makers of music parodies.

Baker is prominent on YouTube, where at one point his self-titled channel peaked at 10 million subscribers. Baker is also a top-earning broadcaster on the platforms Vine and Live.ly. His subsequent ventures include appearing in the 2016 film Laid in America, and uploading content onto the social media app Kuaishou and Douyin, where his English covers of Chinese songs have gained a following.

In 2018, Baker released satirical music on World Star Hip Hop and a new YouTube channel using the stage name of Lil Kloroxxx.