Niclas

Niclas may refer to:


 * Abraham Niclas Edelcrantz (1754–1821), Finnish born Swedish poet and inventor
 * Jacob Niclas Ahlström (1805–1857), Swedish Kapellmeister and composer
 * Johan Niclas Byström (1783–1848), Swedish sculptor
 * Niclas Alexandersson (born 1971), retired Swedish football midfielder
 * Niclas Andersén (born 1988), Swedish ice hockey player
 * Niclas Bendixen, Danish actor, dancer and choreographer
 * Niclas Edman (born 1991), Swedish ice hockey player
 * Niclas Fasth (born 1972), Swedish professional golfer
 * Niclas Frisk (born 1969), Swedish musician
 * Niclas Hävelid (born 1973), professional ice hockey defenceman
 * Niclas Huschenbeth (born 1992), chess grandmaster.
 * Niclas Jensen (born 1974), Danish professional football player
 * Niclas Jönsson (born 1967), former driver in the Indy Racing League
 * Niclas Kindvall (born 1967), retired Swedish football player
 * Niclas Levein (born 1988), retired Swedish ice hockey player
 * Niclas Lucenius (born 1989), Finnish professional ice hockey center
 * Niclas Olofsson (born 1975), former floorball goalkeeper
 * Niclas Rasck (born 1969), former Swedish football defender
 * Niclas Sahlgren (1701–1776), Swedish merchant and philanthropist
 * Niclas Wahlgren (born 1965), Swedish singer
 * Niclas Wallin (born 1975), professional ice hockey player
 * Niclas Weiland (born 1972), retired German football player
 * Niclas, Graf von Abensberg (1441–1485), knight and nobleman under the reign of Louis IX, Duke of Bavaria-Landshut
 * Niclas Jonasson (born 1976), Swedish orienteering competitor and world champion
 * Thomas Evan Nicholas (Niclas y Glais) (1879–1971), Welsh language poet, preacher, radical and champion of the disadvantaged of society