Ryen is a variety of the Irish/English given name Ryan and a Norwegian surname. Notable people with it include:
Given name Ryen Jiba (born 2001), South Sudanese footballer Ryen Russillo (born 1975), American sports journalist Ryen Slegr (born 1979), American musician
Surname Annar Ryen (1909–1985), Norwegian cross-country skier Anton Ryen (1894–1968), Norwegian politician Brit Vingelsgaard Ryen (born 1944), Norwegian politician (1949–2020), Norwegian actress Kai Olav Ryen (born 1978), Norwegian footballer Jan van Ryen ( 1620s–1630s), Dutch explorer Richard Ryen (1885–1965), Hungarian-American actor Tore Ryen (born 1946), Norwegian writer
See also
Ryen, an Oslo neighbourhood