All around the world, Hyvonen (Hyvonen 
) is an extremely rare unknown gender first name. Much more frequently, Hyvonen is the last name as well as the forename.
Mr, Gary, Glen, Lael, Lisa, Luke, Lynn, Jari, Jake, John, Joni, Jodi, June, Jiri, Timo, Nina, Emma, Eero, Olli, Urho, Maria, Marko, Dawn, Matti, Rena, Kari, Ms, Axl, Ken, Kht, Lea, Jon, Tim, Tia, Ian, Wes, Mary, Matt, Macy, Mike, Mika, Sami, Sean, Alec, Anna, Anne, Cole, Kory, and Megan