Berndtsson or Berntsson is a Swedish surname. Notable people with the surname include:
Berndtsson Bengt Berndtsson (1933–2015), Swedish football winger Berndt Berndtsson, Swedish sprint canoer Bo Berndtsson (born 1950), Swedish mathematician Karl Berndtsson (1892–1943), Swedish chess player Peter Berndtsson (born 1965), Swedish ice hockey centre
Berntsson Åke Berntsson (1934–2016), Swedish rower Alexander Berntsson (born 1996), Swedish football player Billy Berntsson (born 1984), Swedish football player Johnie Berntsson (born 1972), Swedish sailor Kristoffer Berntsson (born 1982), Swedish figure skater Lena Berntsson (born 1978), Swedish athlete Stig Berntsson (1930–2011), Swedish sports shooter
See also Berntson