211 AD is a year of the Common Era.

211 may also refer to:

211 (North American Numbering Plan) 211 BC, a year Before the Common Era

Places 211 Isolda, a Main-Belt asteroid, the 211th asteroid registered Route 211, see List of highways numbered 211

Telecommunications 2-1-1, an N-1-1 telephone number in North America +211, the telephone country code for South Sudan

Transportation 211 series, a Japanese electric multiple unit train class US-Bangla Airlines Flight 211, a 2018 plane crash

Other uses 211 (film), a 2018 U.S. crime-drama film Project 211, a Chinese project to develop comprehensive universities and colleges Raufoss Mk 211, a .50-calibre ammunition round

See also 211th (disambiguation)

21 (disambiguation) 2/11 (disambiguation) 211th (disambiguation)