Ludvig Rensfeldt (born January 29, 1992) is a Swedish ice hockey player, currently playing with Sarnia Sting of the OHL. He was drafted in the second round, 35th overall by the Chicago Blackhawks as the first Swedish player selected in the 2010 NHL Entry Draft. Rensfeldt recorded his first Elitserien point on November 25, 2010 with an assist on a goal by Alexander Sundström.