Riis

Riis is a surname. Notable people with the surname include:
 * Asbjørn 'Bear' Riis (born 1957), Danish professional wrestler
 * Bendik Riis (1911–1988), Norwegian artist
 * Bjarne Riis (born 1964), Danish former professional road bicycle racer turned team owner and manager
 * Einar Riis (1922–2006), Norwegian aircraft broker and consul in Rome
 * Fredrik Riis (1789–1845), Norwegian county governor
 * Hilde Riis (born 1959), Norwegian cross-country skier
 * Jacob Riis (1849–1914), Danish-American journalist, photographer, and social reformer
 * Nelson Riis (born 1942), Canadian businessman and former politician
 * Povl Riis (1925–2017), Danish gastroenterologist
 * Sharon Riis (1947–2016), Canadian writer