Süpplingen is a municipality in the district of Helmstedt, in Lower Saxony, Germany.

Süpplingenburg, a separate village and municipality which emerged from a medieval castle complex, is located nearby.

During the second half of the 19th Century, the sugar industry emerged as an additional economic sector.

Nonetheless, lignite mining continued to be important for the local economy.

From 1890 AD, a cable car connected the northern shaft with the NorddeutscheZuckerraffinerie Frellstedt (Northern German Sugar Refinary Frellstedt), the main buyer of the coal extracted there.