Last name Кортні (Courtney 
, Kortni 
, Кортні 
) , in all the world, is a common family name. The family name Кортні is characteristic of Grenada, where it is quite a common surname, Ireland, and New Zealand, where it is quite a rare surname. Measured by absolute frequency, the name is most common in the United States, the United Kingdom, and Australia. More frequently, Кортні is the forename as well as the last name.