• John Gregg (archbishop of Armagh) (1873–1961) Anglican Archbishop of Armagh 1939–59
• John Gregg (baker)
  John Gregg (baker)
  John Robson Gregg was the founder of Greggs, one of the United Kingdom's largest bakery busineseses.-Career:Brought up on Tyneside, Jack Gregg initially made a living visiting local houses selling yeast and eggs for customers to bake their own bread...
  
   (d.1964), founder of Greggs bakery
• John Gregg (bishop of Cork)
  John Gregg (bishop of Cork)
  The Right Rev John Gregg MA, DD was a 19th century Anglican Bishop Born in 1798 and educated at Trinity College, Dublin he was ordained in 1822. He was Rector of Holy Trinity Dublin and then Archdeacon of Kildare before his elevation to the Episcopate as the Bishop of Cork in 1862...
  
   (d.1878), Anglican Bishop of Cork, Cloyne and Ross, 1862–78
• John Gregg (CSA)
  John Gregg (CSA)
  John Gregg was an American judge, politician, and general in the Confederate States Army during the American Civil War. He was killed in action during the Siege of Petersburg.-Early life and career:...
  
   (1828–64), Confederate general
• John Gregg (UDA)
  John Gregg (UDA)
  John Gregg was a senior member of the UDA/UFF loyalist organisation in Northern Ireland. From the 1990s until his shooting death by rival associates, he served as brigadier of its South East Antrim Brigade...
  
   (1957?–2003), Ulster loyalist
• John Irvin Gregg
  John Irvin Gregg
  John Irvin Gregg was a career U.S. Army officer. He fought in the Mexican-American War and during the American Civil War as a general officer in the Union army.-Early life and career:...
  
   (1826–92), Union general
• John P. Gregg
  John P. Gregg
  -External links:...
  
  , head football coach at Louisiana State University, 1899
• John R. Gregg
  John R. Gregg
  John R. Gregg is an American politician, attorney and author. He was a state representative in the Indiana House of Representatives from 1986–2002. He served as Speaker of the Indiana House from 1996–2002 and Majority Leader from 1990–1994. Gregg was named “Public Official of the Year” in 2002 by...
  
  , Indiana state representative 1986–2002
• John Robert Gregg
  John Robert Gregg
  John Robert Gregg was an educator, publisher, humanitarian, and the inventor of the eponymous shorthand system Gregg Shorthand.-Childhood:...
  
   (1867–1948), inventor of Gregg shorthand
• John William Gregg
  John William Gregg
  John William Gregg , was a 20th century professor of landscape architecture at the University of California, Berkeley. Gregg designed the townsites of California Census Designated Places Delhi, California and Ballico, California as twentieth century model agriculture townships...
  
   (d.1969) landscape architect

See also

• John Gregg Fee
  John Gregg Fee
  John Gregg Fee was an abolitionist, minister and educator, the founder of the town of Berea, Kentucky, and Berea College , the first in the state with interracial and coeducational admissions...
  
  , founder of Berea College
• John Greig (disambiguation)
  John Greig (disambiguation)
  John Greig is a Scottish footballer.John Greig may also refer to:*John Greig , NBA basketball player*John Greig *John Greig *John Greig , 19th century Representative from New York...