Mario Kargl (born 14 May 1986) is an Austrian male professional tennis player. He was a former world no. 1 deaf tennis player and a former world champion at the Deaf tennis Championship in 2011. He has represented Austria at the Deaflympics in 2005, 2009, 2013 and 2017. He has clinched a medal haul of 4 bronze medals in his Deaflympic career after making his debut at the multi-sport event at the 2005 Summer Deaflympics at the age of 19.