Cognomen Котэра (Kotera 
, 小寺 
, Котэра 
) , in all the world, is a rare family name. The cognomen Котэра is habitual in Czechia, where it is quite a rare surname, Ethiopia, where it is a rare surname, and Estonia. Not in comparison with a country's population, it most frequently occurs in Ethiopia, Czechia, and the United States. Also, Котэра is the forename as well as the last name.