George Nicholas Kontos (born June 12, 1985) is an American professional baseball pitcher who is a free agent. He previously played in Major League Baseball (MLB) for the New York Yankees, San Francisco Giants, Pittsburgh Pirates, and Cleveland Indians. Prior to playing professionally, he played college baseball at Northwestern University. He bats and throws right-handed.
Kontos attended Niles West High School in Skokie, Illinois, where he was named the high school baseball player of the year in Illinois in 2003. He also lettered in golf and basketball.
Kontos attended Northwestern University as an economics major, where he played for the Northwestern Wildcats baseball team in the Big Ten Conference. In 2005, he played collegiate summer baseball with the Harwich Mariners of the Cape Cod Baseball League. The New York Yankees selected Kontos in the fifth round of the 2006 Major League Baseball draft after his junior year.