Throughout the world, Křen (Křen , Krejn ) is an extremely rare unknown gender forename. Predominantly, Křen is the last name as well as the forename.
Kren
Jan, Radomír, Antonín, Miroslav, Zbyněk, Zdeněk, Tomáš, Lukáš, Jiří, Robert, Michal, Matěj, Jaroslav, Martin, Josef, Jakub, Leoš, David, Roman, Pavel, Karel, Milan, Petr, Kuba, Ivo, Honza, and Stanislav
, Krejn 
) is an extremely rare unknown gender forename. Predominantly, Křen is the last name as well as the forename.