John William Shurna (born April 30, 1990) is an American–Lithuanian professional basketball player who plays for Cedevita Zagreb in Croatia. He is the 2012 Big Ten scoring champion. He played in the 2012 NBA Summer League with the Atlanta Hawks. He then signed with the New York Knicks, but was waived at the end of the preseason.

He played college basketball for the Northwestern Wildcats. He has been a three-time All-Big Ten Conference selection (2010–2nd team; 2011–3rd team coaches/honorable mention media; 2012–1st team) and the Northwestern statistical leader in several categories. He was the 2010 Sporting News Most Improved Player. He holds several Northwestern all-time records, including single-season and career scoring. He was selected as an honorable mention Associated Press 2012 NCAA Men's Basketball All-American. He won the State Farm College 3-Point Championship three-point shooting contest at the 2012 Final Four.

In high school, he was the 2008 Illinois High School Association (IHSA) Class 4A Slam Dunk Champion. He was a member of the gold-medal-winning USA Basketball team at the 2009 FIBA Under-19 World Championship.

Shurna was a 2007 and 2008 Chicago Tribune All-State boys basketball team special mention selection. As a junior, in March 2007, he led Glenbard West High School to the Class AA supersectional for the first time since 1938, but they lost to Lockport Township High School 53–50 despite 27 points by Shurna, according to the Chicago Sun-Times, but only 21 according to the Daily Southtown and Chicago Tribune. He committed to Northwestern University on May 13, 2007, but he did not sign his National Letter of Intent until November 14.

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