Blue Nun (disambiguation)

Blue Nun is a brand of wine. The term may also refer to:


 * Blue Nun (album), a 1981 album by Carlene Carter
 * María de Ágreda, Spanish Franciscan nun
 * Sisters of finding Jesus in the Temple, a Catholic religious order popularly known as blue nuns due to the colour of their habit
 * Order of the Most Holy Annunciation, a Roman Catholic religious order, also known as Blue Nuns