811 (disambiguation)

811 may refer to:


 * 811 (number), a number in the 800s range
 * 811 AD, a year in the Common Era
 * 811 BC, a year Before the Common Era

Places

 * Route 811, see List of highways numbered 811
 * 811 Nauheima, an asteroid in our Solar System, the 811th asteroid registered

Transportation

 * Flight 811 (disambiguation)
 * 811 series, a Japanese electric multiple unit train class
 * IAR 811, a Romanian training airplane

Other uses

 * 8-1-1, an N-1-1 telephone number in North America for non-urgent services