Charles Howard, 2nd Earl of Nottingham (17 September 1579 – 3 October 1642) was the son of Charles Howard, 1st Earl of Nottingham. His mother was the former Katherine Carey. From 1615 to 1624 he was styled Lord Howard of Effingham.
He was married first on 19 May 1597 to Charity White (d. 18 December 1618), daughter to Robert White. Secondly on 22 April 1620 to Mary Cokayne, daughter of Sir William Cockayne who served as Lord Mayor of London in 1619 and Mary Morris. There were no known children from either marriage.
He was succeeded by his half-brother, Charles Howard, 3rd Earl of Nottingham.
The senior school, the Howard of Effingham School, is named after him, in Effingham, Surrey.