John Fuller
John Fuller or Jack Fuller may refer to:
- John 'Mad Jack' Fuller (1757-1834), English politician, philanthropist and patron of the arts, and Squire of the hamlet of Brightling
- John Fuller (bushranger) (19th century), Australian bushranger
- John Fuller (poet) (born 1937), English poet and author
- John G. Fuller (1913-1990), New England-based American author
- Sir John Fuller, 1st Baronet (1864-1915), British Liberal politician and Governor of Victoria
- Johnny Fuller
- Major-General J. F. C. Fuller, John Frederick Charles Fuller, British soldier
- Jack Fuller (author), Pulitzer Prize for Editorial Writing-winning author and former editor and publisher of the Chicago Tribune