In the world, Leidner (Leidner , Лейднер ) is a very rare mostly male, but infrequently girly first name. Much more frequently, Leidner is the last name as well as the forename.
Leuthner, and Леиднер
Mr, Ido, Ian, Ola, Ute, Uwe, Marc, Mary, Mark, Mike, Sara, Alan, Aldo, Anna, Anne, Anja, Arno, Adam, Axel, Chad, Isa, Eva, Eli, Jen, Ms, Ad, Jo, Max, Sue, Ann, Amy, Bob, Kai, Carl, Ken, Pat, Rom, Ron, Rã, Gil, Jan, Jay, Jon, Joe, Kim, and Coco
, Лейднер 
) is a very rare mostly male, but infrequently girly first name. Much more frequently, Leidner is the last name as well as the forename.