Surname Londan (Londan 
) , worldwide, is a rare family name. The family name Londan is characteristic of Algeria, where it is a rare surname, Morocco, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Algeria, Morocco, and the United States. Very seldom, Londan is the forename as well as the last name.