Blanche is the surname of:
August Blanche (1811–1868), Swedish journalist, novelist and socialist politician
Bartolomé Blanche (1879-1970), Chilean brigadier general, briefly provisional president of Chile in 1932
Francis Blanche, French actor and humorist
Jacques-Émile Blanche (1861-1942), French artist
John Blanche, illustrator
Margot Blanche, pop singer
Roland Blanche, French actor
