John Kline may refer to:

• John Kline (Harlem Globetrotter) (fl. 1950s)
• John Kline (politician) (born 1947), American congressman from Minnesota
• John Robert Kline (1891 - 1955), American mathematician
• Johnny Klein, American musician

This disambiguation page lists articles associated with the same personal name. If an internal link led you here, you may wish to change the link to point directly to the intended article.