Across the world, Østbye (Østbye 
) is an extremely rare unknown gender forename. Predominantly, Østbye is the last name as well as the forename.
Kim, Mette, Silje, Simon, Karen, Peter, Runar, Jørn, Toril, Tonje, Trond, Helle, Helge, Vidar, Frida, Magnus, Morten, Ansten, Astrid, Carina, Bjørn, Bjørg, Marit, Finn, Hege, Erik, Lin, Jan, Jon, Tor, Tom, Eva, Ole, Maja, Sara, Anne, Petter, Arne, Kurt, Kine, Knut, Paul, Rolf, Lars, Jens, Thea, Tone, Nils, Kari, and Daniel