Eduardo Jonatan Schwank (born April 23, 1986, in Rosario, Argentina) is a professional tennis player from Argentina on the ATP Tour. He is currently coached by Javier Nalbandian, the brother of David Nalbandian.
Schwank's family background is from the German-speaking part of Switzerland
Schwank in his final year on the junior circuit in 2004 had a record of 39-4 winning 5 tournaments, with his biggest title winning the Banana Bowl defeating Pablo Andújar in the final. Schwank finished 2nd in the rankings behind Gaël Monfils who won three out of four of the Junior Grand Slams in that season.