770 may refer to:

• 770, the year
• The 770s (the years from 770 to 779)
• Decree 770, an decree of the communist Romanian government of Nicolae Ceaușescu
• Nokia 770, an Internet tablet device
• Telephone Area code 770, assigned to metropolitan Atlanta, Georgia and its suburbs
• 770 Eastern Parkway, the headquarters of the Chabad-Lubavitch Hasidic group
• 770 (New Jersey bus), a bus route within within Passaic and Bergen counties of New Jersey
• Mercedes-Benz 770, a luxury car

• List of highways numbered 770
• 770 AM