Hanna Katrín Friðriksson (born 4 August 1964) is an Icelandic politician and businesswoman and a former national handball player.

She was born in Paris, France and her parents are Torben Friðriksson (1934-2012), a government accountant, and Margrét Björg Þorsteinsdóttir (1930-2016), a teacher.

She was an assistant to Guðlaugur Þór Þórðarson, Minister of Health from 2007 to 2009 and a part-time teacher at the University of Bifröst 2009–2011.

Hanna Katrín started playing handball at a young age with ÍR and became cup champion with the club in the season 1982-1983 .

Due to difficulties in the work of ÍR, the team disbanded a year later and Hanna Katrín joined Val where she again became cup champion in 1988 and 1993.