Hanna Sofia Margareta Arkelsten (born 6 December 1976 in Stockholm) is a Swedish politician of the Moderate Party.

Arkelsten served as Secretary of the Moderate Party from 2010 to 2012 and Chairman of the Committee on Foreign Affairs from 2012 to 2014.

Arkelsten previously worked on Svensk Handel and on ICA Sweden as director of communications.

She was previously active in municipal politics in Stockholm, including the Environment and Health Committee, Maria-Gamla Stan District and the City Council.

[4] On 16 October 2014, Arkelsten made public that she was diagnosed with chronic disease multiple sclerosis (MS).