Provided herein are herbicidal compositions containing (a) aminopyralid or an agriculturally acceptable salt or ester thereof and (b) bentazon or an agriculturally acceptable salt thereof. The compositions provide synergistic weed control of undesirable vegetation, e.g., in rice, wheat, barley, oats, rye, sorghum, corn or maize, oilseed rape/canola, vegetables, pastures, grasslands, rangelands, fallowland, turf, tree and vine orchards, aquatics, industrial vegetation management or rights-of-way.