Charlotte Mitchell (born 23 July, 1926 in Ipswich, Suffolk) is an English actress most famous for her role in The Adventures Of Black Beauty in the early 1970s. She was once the girlfriend of Peter Sellers, hence her occasional appearances on The Goon Show in the 1950s.

She appeared on BBC Radio with Ian Carmichael in The Intricate Life of Gerald C. Potter. Carmichael played Gerald C. Potter, mystery writer, while she played Diana, his wife, who, under the pseudonym of Miss Magnolia Badminton, wrote romantic novels.

She also played, on radio, the Dowager Duchess (Lord Peter Wimsey's mother) in the radio adaption of Strong Poison that starred Ian Carmichael as Peter Wimsey.