Hélène Napoleone Bonaparte (18 June 1816 – 16 January 1907) was the reputed daughter of Napoleon by his mistress, Albine de Montholon, wife of Charles Tristan, marquis de Montholon, and mother of Charles-François-Frédéric, marquis de Montholon-Sémonville.She was born Napoléone Marie Hélène Charlotte de Montholon-Sémonville in Saint Helena while Albine and Montholon were with Napoleon in exile there.
Napoleon never acknowledged Hélène, although she was said to bear a striking resemblance to him.
Nothing else is known of Hélène's life after she left Saint Helena.