In the world, Reissner (Reissner , Рейснер ) is an extremely rare unknown gender first name. Much more frequently, Reissner is the last name as well as the forename.
Reisner, Reißner, and Реисснер
Mr, Alex, Andi, Anna, Anne, Abby, Adam, Cole, Bert, Mike, Kate, Paul, Reid, Rita, Ruth, Ryan, Dana, Dirk, Gary, Kyle, Matt, Mark, Mary, Ms, Ana, Amy, Kay, Kim, Roy, Ren, Rex, Jan, Jon, Jim, J M, Tom, Tim, Eli, Ema, Ivo, Udo, Marc, Lena, and Lisa
, Рейснер 
) is an extremely rare unknown gender first name. Much more frequently, Reissner is the last name as well as the forename.