787 may refer to:

• 787 (number), an integer, a number in the 700s
• AD 787, a year in the Common Era
• 787 BC, a year Before the Common Era

• Area code 787, for telephones in Puerto Rico under the North American Numbering Plan
• Highway 787, any of several routes numbered 787; see List of highways numbered 787
• 787 Moskva (asteroid #787), the asteroid Moskva, the 787th asteroid registered

• 787 Naval Air Squadron, British Royal Navy Fleet Air Arm

• USS James E. Kyes (DD-787), a U.S. Navy Cold War era Gearing class destroyer
• USS Marpessa (SP-787), a WW1 U.S. Navy patrol yacht
• USS Washington (SSN-787), a Virginia class U.S. Navy nuclear-powered attack submarine
• Kittanning (YTB-787), a U.S. Navy Natick class tugboat
• HMCS Kingfisher (PCS 787), a Royal Canadian Navy Cold War era Bird class patrol vessel

• Boeing 787 Dreamliner, a jet airliner
• Mazda 787/787B, a Japanese rotary-engine race car which won the 1991 Le Mans Race
• Porsche 787, a race car from the 1960s
• 787 series (JR Kyushu), a train model operated by JR Kyushu

• "787" (song), a song by Ivy Queen
• 787 Crew, a U.S. dance team

• All pages with titles beginning with 787
• All pages with titles containing 787