Bautista Saubidet Birkner (born 28 November 1995) is an Argentine sailor. He participated in the men's RS:X event at the 2016 Summer Olympics. He also won the Pan American gold medal in the RS:X event at the 2019 Lima. He is 3 times South American Champion and Youth European Champion. He started windsurfing at the age of 11. His brother Francisco Saubidet Birkner is also an Olympic Athlete.