Family name Ландон (Landon 
, Ландон 
) , in all the world, is a common cognomen. The last name Ландон is habitual in the United States, where it is quite a rare surname, France, and Mauritius. Measured by absolute frequency, it is commonest in the United States, France, and the United Kingdom. Also, Ландон is the forename as well as the last name.