>
Last name Cotter (كوتر , 科特 , Cotter ) , in the entire world, is a common family name. The last name Cotter is characteristic of Ireland, where it is quite a common surname, Saint Lucia, and Australia, where it is quite a rare surname. Measured by absolute frequency, the name is most common in the United States, Ireland, and the United Kingdom. Much less frequently, Cotter is the forename as well as the last name.