William Johnson is a common name that may refer to various individuals across different fields. One notable William Johnson was an American politician who served as a member of the United States House of Representatives in the 19th century. He was known for his contributions to local governance and his involvement in legislative matters during his tenure. Another prominent figure named William Johnson was a 19th-century African American artist and a member of the African American community. He is recognized for his work in painting and sculpture, which often reflected the experiences and struggles of his people. His contributions to the arts have left a lasting impact on American art history.