351 or variation, may refer to:

• 351 (number), a number in the 300s range
• AD 351 (CCCLI) a year in the Common Era
• 351 BC, the year before the common era

Places

• Area code 351, for telephones for Northeast Massachusetts
• +351 country code for telephones for Portugal
• 351 Yrsa, asteroid #351, the 351st asteroid registered, a Main Belt asteroid
• 351 (building), downtown, St. John's, Newfoundland Island, Newfoundland and Labrador, Canada; an office building
• List of highways numbered 351 for Route 351

Military and weaponry

• .351 Winchester Self-Loading ammunition
• Type 351 Radar
• 351st Operations Group
• 351st Division (Imperial Japanese Army)
• 351st Reconnaissance Aviation Squadron
• No. 351 Squadron RAF
• KRI Ahmad Yani (351), Indonesian navy frigate, pennant number 351
• TCG Mareşal Fevzi Çakmak (D 351), Turkish navy destroyer
• USS Maurice J. Manuel (DE-351), WWII U.S. Navy destroyer escort
• USS Macdonough (DD-351), WWII U.S. Navy destroyer
• German submarine U-351, WWII German submarine
• I-351-class submarine, WWII Japanese submarine class

Vehicles and transportation

• Ford 351 (disambiguation), several engines
• Peterbilt 351, a truck tractor unit
• GS&WR Class 351 locomotive
• 351 (New Jersey bus)

Other uses

• Japan Airlines Flight 351, a hijacked flight

See also

Search for "351" on Wikipedia.

• B.1.351, a variant of COVID-19 SARS-CoV-2 virus found in South Africa
• All pages with titles beginning with 351
• All pages with titles containing 351