Klass is a Germanic surname. Notable people with the surname include:Alisha Klass, American pornographic actress Christa Klaß (Christa Klass,, German politician Craig Klass, former water polo player David Klass, American screenplay writer and children's author Edward Klass, American water polo player Eugene Klass, known as American actor Gene Barry John Klass, triple-platinum award-winning singer/producer/songwriter/radio presenter Günter Klass, German race driver Myleene Klass, British musician, former member of the UK pop group Hear'Say Perri Klass, pediatrician and writer Philip Klass, American science fiction writer under the name William Tenn Philip J. Klass, American UFO researcher Salomon Klass, a Finnish soldier Sholom Klass, Rabbi and editor of The Jewish Press
