1706 (MDCCVI) was a common year starting on Friday of the Gregorian calendar and a common year starting on Tuesday of the Julian calendar, the 1706th year of the Common Era (CE) and Anno Domini (AD) designations, the 706th year of the 2nd millennium, the 6th year of the 18th century, and the 7th year of the 1700s decade. As of the start of 1706, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.

In the Swedish calendar it was a common year starting on Monday, one day ahead of the Julian and ten days behind the Gregorian calendar.