John Zimmerman

• John Zimmerman, mayor of Lancaster, Pennsylvania from 1856 to 1857
• John Zimmerman , American professional pair skater
• , German historian
• John C. Zimmerman Sr., mayor of the City of Flint 1895–1896
• John G. Zimmerman, American magazine photographer
• John R. Zimmerman, meteorologist, see Zimmerman Island
• Long John Nebel, an influential New York City talk radio show host