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

• Cardinal Mooney High School (disambiguation)
• Cardinal Morone
• Cardinal Myzomela
• Cardinal-nephews
• Cardinal Newman Catholic High School (Luton)
• Cardinal Newman Catholic Secondary School
• Cardinal Newman High School (Forest Acres, South Carolina)
• Cardinal Niccolò Coscia
• Cardinal Niccolò Fortiguerra
• Cardinal Nichols
• Cardinal numbers (linguistics)
• Cardinal numeral
• Cardinal O' Brien
• Cardinal of Agen
• Cardinal of Agrigento
• Cardinal of Aleria
• Cardinal of Aléria
• Cardinal of Aragona
• Cardinal of Aragón
• Cardinal of Arles
• Cardinal of Bologna
• Cardinal of Brixen
• Cardinal of Capua
• Cardinal of Cesena
• Cardinal of Chatillon