Eiður Guðjohnsen, Icelandic footballer
Eiður Smári Guðjohnsen (transliterated as Eidur Smari Gudjohnsen; born 15 September 1978) is an Icelandic professional football coach and former player who played as a forward. Eiður saw his greatest success in England and Spain with Chelsea and Barcelona respectively, where he won the UEFA Champions League and La Liga with the latter and the League Cup and Premiership twice with the former. Along with two spells at Bolton Wanderers fourteen years apart, he also played in Iceland, the Netherlands, France, Greece, Belgium, China and Norway in a club career lasting 22 years.

Eiður is the son of Arnór Guðjohnsen, who was also an Icelandic international footballer. He made his full international debut for Iceland as a substitute for his father in 1996, and is the nation's joint top scorer of all time with 26 international goals in 88 caps between 1996 and 2016. He was the captain of the Iceland national team until Ólafur Jóhannesson took over the role of manager. He was part of their squad that reached the quarter-finals of UEFA Euro 2016, their first major tournament.