Eiður Smári Guðjohnsen (spelt Eidur Gudjohnsen in English sources; born 15 September 1978) is an Icelandic former professional footballer who played as a forward. He is currently the assistant manager of the Iceland national under-21 football team.
Gudjohnsen is the son of Arnór Guðjohnsen, who was also an Icelandic international footballer. He played for English Premier League club Chelsea and Barcelona of Spain, and had two spells at Bolton Wanderers fourteen years apart. He also had spells in Iceland, the Netherlands, France, Greece, Belgium, China and Norway in a club career lasting 22 years.
He made his full international debut for Iceland as a substitute for his father in 1996, and is the nation's 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 manager Ólafur Jóhannesson took over the team. He was part of their squad that reached the quarter-finals of UEFA Euro 2016, their first major tournament.