John Harrison Nichols (born February 3, 1959) is a liberal and progressive American journalist and author.

Books authored or co-authored by Nichols include The Genius of Impeachment and The Death and Life of American Journalism.

He appears in the documentary films Outfoxed, Unprecedented: The 2000 Presidential Election, Orwell Rolls in His Grave, and Call It Democracy.

Nichols is co-founder, with Robert McChesney and Josh Silver, of Free Press.

[2] Nichols is a regular radio and TV guest of many liberal and progressive talk shows, including The Ed Show with Ed Schultz on MSNBC, Up with Chris Hayes on MSNBC, The Drive Home with Sly on The Big Oldies WEKZ 93.7 (Monroe, WI), Thom Hartmann, and Jon Wiener on KPFK in Los Angeles.