Charles Ernest Pellew, 7th Viscount Exmouth (11 March 1863 – 7 June 1945) was a British peer, chemistry professor and a naturalised United States citizen who inherited the title of Viscount Exmouth at the age of 59 from his father, and held the title for 22 years before his own death. Although born and educated in Britain, he moved to America in 1873 with his father and step-mother. After inheriting his father's title, he moved back to the United Kingdom, where he lived the rest of his life.