Árni Páll Árnason (born 23 May 1966) is a former Icelandic politician, who served in the government of Iceland as Minister of Social Affairs and Social Security from 10 May 2009 to 2 September 2010, and as Minister of Economic Affairs from 2 September 2010 to 31 December 2011.
He served as a Member of Parliament for the Social Democratic Party from 2007 - 2016.
He was elected party leader in February 2013 in a ballot of all party members with 62,2% of the votes cast, and served as leader until June 2016.
He was commissioned in June 2017 by the Nordic Council of Ministers to undertake a strategic review of the Nordic Welfare Model.
He delivered a final report to the Swedish Social Minister, Annika Strandhäll, on 16 October 2018, named Knowledge that works in practice - strengthening Nordic co-operation in the social field.
Árni Páll Árnason is currently Deputy Director of the Financial Mechanism Office for the EEA and Norway Grants in Brussels.
Born in Reykjavik, he received a law degree from the University of Iceland in 1991 and did postgraduate studies in European law at the College of Europe, from 1991 to 1992 (Mozart Promotion).