322 is a year on the Julian Calendar.

322 may also refer to:

• 322 BC, a year of the pre-Julian Roman calendar
• 322 (film), Slovak film by director Dušan Hanák
• 322 (number)
• 322 Phaeo, an asteroid
• Plimpton 322, a Babylonian tablet
• U.S. Route 322, an east–west highway traversing Ohio, Pennsylvania, and New Jersey
• Skull and Bones or Order 322, a secret student society at Yale University in New Haven, Connecticut