Cognomen Keilin (基林 
, Keilin 
, ケイリン 
) , around the world, is quite a rare last name. The last name Keilin is habitual in Latin America and the Caribbean, particularly Honduras, where it is quite a rare surname, Nicaragua, where it is a rare surname, and Venezuela. In absolute terms, it most frequently occurs in Honduras, China, and Russia. More prevalently, Keilin is the forename as well as the last name.