Uncle Deadly may refer to:

• Uncle Deadly (Muppet), a character from the Muppets
• Uncle Deadly (band), a Norwegian band

• John Foley House
• John Foley (musician)
• John Foley (rugby union)
• John Folliot (1691-1762)
• John Folliot (1691–1762)
• John Folliot (died 1748)
• John Folliott (1660-1697)
• John Folliott (1696-1765)
• John Folville
• John Fonseca
• John Forbes (1593-1648)
• John Forbes (1593–1648)
• John Forbes and Company
• John Forbes and Company (Southeastern United States Indian traders)
• John Forbes (died 1634)
• John Forbes (died 1648)
• John Forbes (died 1734)
• John Forbes (Gaelic scholar)
• John Forbes (general in the Portuguese service)
• John Forbes (MP)
• John Forbes Nash, Jr.
• John Forbes (politician)
• John Forbes (preacher)
• John Forbes (theologian)
• John Forbes Watson