Throughout the world, Norrby (Norrby 
) is an extremely rare unknown gender forename. Much more prevalently, Norrby is the last name as well as the forename.
Mr, Pär, Ruth, Lars, Leif, Lena, Lisa, Jani, John, Joel, Jens, Tore, Tomi, Tony, Todd, Tina, Nils, Ella, Elsa, Eric, Erik, Emil, Paul, Karl, Kara, Bjã, Ms, Bo, Li, Mia, Anu, Pia, Dan, Dag, Jan, Jim, Emma, Eva, Ulf, Marc, Maja, Sara, Saga, Stig, Alan, Anna, Anja, Carl, Ida, and Hans