John Marshall Harlan

John Marston

John Masefield

John Mason Brown

John Mason Good

John Matuszak

John Mayall

John Mayer

John Maynard Keynes

John Maynard Smith

John McAfee

John McCain

John McCarthy

John McCormack

John McCrae

John McDonald

John McDonnell

John McEnroe

John McGahern

John McGinn

John McGraw

John McKinley

John McLaughlin

John McTiernan

John McWhorter

John Mellencamp

John Metcalf

John Mica

John Michael Hayes

John Michael Higgins

John Milius

John Millington Synge

John Milton

John Monash

John Money

John Monks

John Montgomery Ward

John Moody

John Morgridge

John Morley

John Morrison

John Mortimer

John Morton

John Motson

John Mott

John Muir

Born: April 21, 1838 Died: December 24, 1914

John Muir also known as "John of the Mountains" and "Father of the National Parks", was an influential Scottish-American naturalist, author, environmental philosopher, glaciologist, and early advocate for the preservation of wilderness in the United States of America.

John Mulaney

Born: August 26, 1982

John Edmund Mulaney is an American stand-up comedian, actor, writer and producer.

John Murray

John Musker

John N. Mitchell