Around the world, Koonstra (Koonstra ) is an extremely rare unknown gender given name. Predominantly, Koonstra is the last name as well as the forename.
Sido, Lennart, Patrick, Martine, Hessel, Esther, Rennie, Pieter, Corina, Anneke, Albert, Marten, Wilco, Hanna, Eelco, Esmee, Tiety, Johan, Douwe, Ruben, Remco, Petra, Kelly, Arjen, Anton, Simon, Henk, Dick, Aant, Seke, Hanneke, and Hendrik
) is an extremely rare unknown gender given name. Predominantly, Koonstra is the last name as well as the forename.