Last name Елфрида (Elfrida 
, Елфрида 
, Elfryda 
) , throughout the world, is a common family name. The cognomen Елфрида is characteristic of Poland, where it is quite a common surname, Indonesia, where it is quite a rare surname, and Cameroon, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Poland, Indonesia, and Nigeria. Also, Елфрида is the forename as well as the last name.