56 may refer to:

• 56 (number)
• one of the years 56 BC, AD 56, 1856, 1956, 2056
• 56.com, a Chinese online video platform
• Fiftysix, Arkansas, unincorporated community in United States
• Fifty-Six, Arkansas, city in United States

• List of Greek princes (1863-1986)
• List of Greek records in swimming
• List of Greek regents
• List of Greek restaurants
• List of Greeks by net worth
• List of Greek sports teams
• List of Greek startups
• List of Greek Startups
• List of Greek subdivisions by GDP
• List of Greek supercentenarians
• List of greek temples
• List of Greek think tanks
• List of Greek women writers
• List of Greek words of Byzantine Latin origin
• List of Green Arrow enemies
• List of Green Arrow supporting characters
• List of Green Bay Packers first round draft picks
• List of Green Bay Packers players: A-D
• List of Green Bay Packers players: E-K
• List of Green Bay Packers players: L-R
• List of Green Bay Packers players: S-Z
• List of Green Bay Packers Pro Bowlers
• List of Green Bay Phoenix basketball season records
• List of greenhouse gases
• List of Greenlanders