Ingvarsson is a surname. Notable people with the surname include: Ingvi Sigurður Ingvarsson (1924–2009), Icelandic diplomat. Jón Arnar Ingvarsson (born 1972), Icelandic basketball player. Júlíus Vífill Ingvarsson, Icelandic politician. Martin Ingvarsson (born 1965), Swedish football referee. Niklas Ingvarsson (born 1978), Swedish ice sledge hockey player. Ragnvald Ingvarsson, Captain of the Varangian Guard. Stefan Ingvarsson (1946–2017), Swedish racewalker. Sveinn Ingvarsson (1914–2009), Icelandic sprinter
https://en.wikipedia.org/wiki/Ingvarsson