All over the world, Calkova (Calkova , Цалкова ) is an extremely rare unknown gender forename. Much more frequently, Calkova is the last name as well as the forename.
Calková, Čalková, Čálková, and Цалькова
Ms, Veneta, Martina, and Michaela
, Цалкова 
) is an extremely rare unknown gender forename. Much more frequently, Calkova is the last name as well as the forename.