Cognomen Iohanson (Iohanson 
) , all around the world, is a very rare last name. The family name Iohanson is habitual in Brazil, where it is a very rare surname, Spain, where it is an extremely rare surname, and Ukraine. Very seldom, Iohanson is the forename as well as the last name.
Alee, Daniele, Leonice, Luciano, Luciana, Jocelio, Emerson, Valmira, Fabiano, Zenilda, Rafaela, Priscila, Leonides, Leondina, Lourival, Henrique, Vanderli, Fabricio, Fernando, Alexandre, Elizabeth, Djonatas, Alessandra, Kennedy, Andreia, Luiz, Maria, Karin, Kevyn, Derek, Lauro, Leoni, Salete, Angela, Cleiton, Carlos, Pamela, Rubens, Delair, Denise, Livino, Loirto, Naiane, Eliane, Scheila, Cleone, and Therezinha