Þórir Hergeirsson is an Icelandic handball coach and former player. He is one of the most decorated national team coaches in handball history and won seventeen championship medals with the Norwegian women's national team during a fifteen-year reign, including two Olympic gold medals, three World Championships titles and six European Championships titles. Þórir coached clubs Elverum, Gjerpen and Nærbø, before becoming the assistant coach of the Norwegian national team in 2001 and succeeding Marit Breivik as head coach in 2009. He stepped down from the national team in December 2024.