Johann Georg Specht (20 December 1721 – 30 December 1803) was born in Lindenberg im Allgäu. He was a civil engineer and architect in the south of Germany. Johann Georg Specht trained as a civil engineer with Peter Thumb in Vorarlberg. Specht planned and had a vast number of edifices and other constructions built in Upper Swabia and the Allgäu, amongst which are as varied constructions as water works, bridges, mills, residential buildings, industrial buildings and even castles and churches.