Nijssen

Nijssen is a Dutch patronymic surname originating from the given name "Denijs" (Denis). People with this surname include:


 * Nijssen
 * Han Nijssen (1935–2013), Dutch ichthyologist
 * Sjir Nijssen (born 1938), Dutch computer scientist known for Nijssen's Information Analysis Method
 * Tom Nijssen (born 1964), Dutch tennis player
 * Nyssen
 * Hubert Nyssen (1925–2011), Belgian writer and publisher
 * Nyssen
 * Hubert Nyssen (1925–2011), Belgian writer and publisher
 * Hubert Nyssen (1925–2011), Belgian writer and publisher