Julen is a given name. Notable people with the name include:
Julen Aguinagalde (born 1982), Spanish handballer
Julen Goikoetxea (1985–2006), Basque cyclist from Ondarroa
Julen Guerrero (born 1974), retired Spanish footballer
Julen Lopetegui (born 1966), retired Spanish footballer and current manager
Julen Madariaga (born 1932), Basque Spanish politician and lawyer, co-founder of ETA
Julen Urigüen (born 1991), junior tennis player in the United States
Alfons Julen (born 1899), Swiss cross-country skier
Anton Julen (born 1898), Swiss cross-country
Martin Julen (born 1928), Swiss alpine skier
Max Julen (born 1961), Swiss alpine skier
Oswald Julen (1912–1998), Swiss Nordic combined skier
Simon Julen (1897–1951), Swiss cross-country skier
Julen Wikipedia (Text) CC BY-SA