In the world, Ioannu (Ioannu , Иоанну ) is an extremely rare unknown gender first name. Much more prevalently, Ioannu is the last name as well as the forename.
Ιωάννου, and Іоанну
Mr, Alexandros, Victorio, Gabriela, Atanasia, Adelina, Marilyn, Inmaculada, Oliver, George, David, Petro, Pablo, Maria, Alex, Nieves, and Konstadinos
, Иоанну 
) is an extremely rare unknown gender first name. Much more prevalently, Ioannu is the last name as well as the forename.