John Helyar (born 1951) is an American former journalist who has worked for The Wall Street Journal, Fortune magazine, ESPN.com, ESPN The Magazine and Bloomberg News.
He currently works as a research analyst at Select Equity Group.Helyar is the author of the books Lords of the Realm: The Real History of Baseball (which, according to WorldCat, is held in 688 libraries).His reporting with Bryan Burrough on RJR Nabisco earned them the 1989 Gerald Loeb Award for Deadline and/or Beat Writing.
They turned their research into the book Barbarians at the Gate: The Fall of RJR Nabisco (held in 2249 libraries ), which was made into a film of the same title.