Gunnar Guillermo Nielsen (; born 12 October 1983 in

Posadas, Misiones Posadas () is the capital city of the Provinces of Argentina, Argentine province of Misiones Province, Misiones, in its south, at the far north-west of the country on the left bank of the Paraná River, opposite Encarnación, Paraguay. The city ...

) is an

Argentine Argentines, Argentinians or Argentineans are people from Argentina. This connection may be residential, legal, historical, or cultural. For most Argentines, several (or all) of these connections exist and are collectively the source of their ...

football player of Danish descent, currently playing for

Hillerød GI Hillerød () is a Danish town with a population of 36,604 (1 January 2025)FC Fredericia Fodbold Club Fredericia af 1991 (), simply known as FC Fredericia, is a professional association football club based in the town of Fredericia, Denmark, that competes in the Danish 1st Division, the second tier of the Danish football league syste ...

and

Kolding FC Kolding Fodbold Club, commonly known as Kolding FC, was a Danish association football club based in Kolding. Founded in 2002 as a merger between local clubs Kolding IF and Kolding Boldklub, the club turned professional on 11 November 2006, rece ...

.Nielsen, Gunnar Guillermo - Kolding FC - Kicker Online
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Notes

1983 births Living people Footballers from Posadas, Misiones Argentine people of Danish descent Argentine men's footballers Hillerød Fodbold players IF Skjold Birkerød players Men's association football midfielders 21st-century Argentine sportsmen {{Faroes-footy-bio-stub