John Sweet

John Sweet may refer to:

• John Sweet (actor) (1916–2011), US Army sergeant serving in the UK in World War II and actor in A Canterbury Tale
• John Edson Sweet (1832–1916), American mechanical engineer who built the first micrometer caliper
• John Hyde Sweet (1880–1964), U.S. Representative from Nebraska
• John Sweet (canoeist), American slalom canoer who competed in the early 1980s
• John Sweet (rugby union), Scottish international rugby union player