Charles X may refer to:

Charles X of France (1757–1836) Charles X Gustav (1622–1660), King of Sweden Charles, Cardinal de Bourbon (1523–1590), recognized as Charles X of France but renounced the royal title

See also

King Charles (disambiguation) Professor X, Charles Francis Xavier, a fictional character in X-Men comics and movies "Charlie X", a 1966 episode of the TV show Star Trek