Surname Ритчи (Ritchie 
, Ритчи 
) , worldwide, is a common family name. The family name Ритчи is habitual in Bahamas, where it is quite a common surname, Isle of Man, and New Zealand (explore the name in all countries). Not in comparison with a country's population, it is commonest in the United States, the United Kingdom, and Australia. Also, Ритчи is the forename as well as the last name.