Charles John Howard, 17th Earl of Suffolk, 10th Earl of Berkshire (7 November 1805 – 14 August 1876), styled Viscount Andover between 1820 and 1851, was a British peer and Whig politician.
Suffolk was the son of Thomas Howard, 16th Earl of Suffolk, and the Hon. Elizabeth Jane, daughter of James Dutton, 1st Baron Sherborne. He was the brother of Henry Thomas Howard and James Howard.
Suffolk was returned to Parliament for Malmesbury in 1832, a seat he held until 1841. In 1851 he succeeded his father as seventeenth Earl of Suffolk and entered the House of Lords.
Lord Suffolk married his kinswoman Isabella Catherine, daughter of Lord Henry Thomas Howard-Molyneux-Howard (brother of Bernard Howard, 12th Duke of Norfolk), in 1829. They had seven children:
He died in August 1876, aged 70, and was succeeded in his titles by his eldest son, Henry. The Countess of Suffolk died in June 1891.