Thomas Howard, 3rd Earl of Suffolk (1561–1626), was an English nobleman and politician. He was the son of Thomas Howard, 2nd Earl of Suffolk and Mary St. John. He served in various roles, including as a Member of Parliament and as Lord Chamberlain of the Household. His family was part of the prominent Howard dynasty, which played a significant role in English history. Suffolk was known for his involvement in the court of King James I and was a supporter of the arts. He was married to Catherine Knyvet, and they had several children. His legacy includes contributions to the political and cultural landscape of early 17th-century England.