Helgi Valur Daníelsson (Icelandic pronunciation: [ˈhɛlkɪ ˈtʰanɪjɛlsɔn]; born 13 July 1981] is an Icelandic former professional footballer and a chemist who played as a defensive midfielder. He played professionally in England, Sweden, Germany, Portugal, Iceland, and Denmark during a career that spanned between 1998 and 2021. A full international between 2001 and 2014, he won 33 caps for the Iceland national team. As of 2022, Helgi is pursuing a Ph.D degree in radiochemistry at the University of Cambridge
In 2006, he left Fylkir who he had joined from Peterborough United for £25,000 in 2003, to go to Sweden to play for Östers IF in Allsvenskan.
On 12 December 2007, Helgi signed a contract with IF Elfsborg. On 22 January 2010, he left Elfsborg and joined Second Bundesliga club Hansa Rostock. After just a few months in the German side, he signed a deal with reigning Swedish champions AIK. On 2 July 2013, it was announced that he would transfer to Primeira Liga side Belenenses after AIK's game vs. Häcken on 22 July.[1][2]
On 27 August 2014, Helgi terminated his contract with Belenenses for personal reason's.[3] Two days later he signed a 2-year contract for the Danish 1. division side AGF.[4]
A defensive midfielder, Helgi has played for the Iceland national football team at youth and senior level.
A predominantly defensive midfielder with excellent ball winning and positioning abilIty. Good in the air and comfortable on the ball. An eye for goal especially from set pieces.