1004 may refer to:

• 1004 (number), a number in the 1000s range
• AD 1004 (MIV), a year of the Common Era
• 1004 BC, a year Before the Common Era

Places

• 1004 Belopolskya, an asteroid in the asteroid belt, the 1004th asteroid registered
• Route 1004, see List of highways numbered 1004
• 1004 Estate, Victoria Island, Lagos, Nigeria

Vehicles

• Glas 1004, a German automobile
• German submarine U-1004, a Type VIIC/41 German WWII U-boat
• USS Qui Vive (SP-1004), a WWI U.S. Navy patrol boat

Other uses

• United Nations Security Council Resolution 1004 (1995) concerning Srebrenica during the Yugoslavian wars of dissolution
• UNIVAC 1004, a digital computer
• ISO 1004, a standard for magnetic ink