206th may refer to:

206th (Canadien-Français) Battalion, CEF, a unit in the Canadian Expeditionary Force during the First World War 206th Combat Communications Squadron (206 CBCS), an Air National Guard combat communications unit located at Elmendorf AFB, Alaska 206th Field Artillery Regiment, a United States artillery regiment Headquartered at Russellville, Arkansas. T 206th Infantry Division (Wehrmacht), a German military unit that served during World War II 206th (2nd Essex) Brigade, a formation of the British Army during World War I

See also 206 (number) 206, the year 206 (CCVI) of the Julian calendar