Charles-François-Frédéric, marquis de Montholon-Sémonville, French politician and diplomat, French ambassador to the United States (d. 1886)
Charles François Frédéric de Montholon-Sémonville (November 27, 1814 Paris - April 20, 1886) was a French senator, diplomat, and French ambassador to the United States, from 1864 to 1866.