Schladen-Werla is a municipality in the district of Wolfenbüttel, in Lower Saxony, Germany.

The municipal area is located in the northern foothills of the Harz mountain range, stretching along the Oker river.

The Schladen-Werla municipality comprises the localities of Beuchte, Gielde, Hornburg, Isingerode, Schladen, Wehre, and Werlaburgdorf.

Seats in the municipal assembly (Gemeinderat) as of 2016 local elections: Schladen station is a stop on the Brunswick–Bad Harzburg railway line, served by regional trains.

The municipality has access to the Bundesautobahn 395 motorway from Brunswick to Goslar-Vienenburg at the Schladen-Nord and Schladen-Süd junctions.