Family name Mantych (Mantych 
) , worldwide, is a rare surname. The family name Mantych is characteristic of Poland, where it is a very rare surname, the United States, and Venezuela, where it is an extremely rare surname. Much less frequently, Mantych is the forename as well as the last name.
Ray, James, Jason, Joann, Terry, Holly, Olane, Monica, Meghan, Samuel, Steven, Alyssa, Alysun, Angelo, Ashley, Rachel, Ronald, Daniel, Gerald, Glenda, Gloria, Lauren, Diane, David, Daryl, Patti, Jay, Jim, Tom, Mary, Mark, Mike, Beth, Kate, Danl, Greg, Joseph, Glen, Luke, Jack, Toni, Noel, Marie, Mikel, Carol, Brett, Kathy, Kerry, Lily, and Judith