Surname ريكر (Riker 
, ريكر 
, Racker 
) , in all the world, is quite a rare last name. The cognomen ريكر is habitual in Bermuda, where it is quite a common surname, the United States, where it is quite a rare surname, and Czechia, where it is a rare surname. Measured by absolute frequency, it is the most numerous in the United States, Brazil, and Germany. Much less frequently, ريكر is the forename as well as the last name.