Arnold von Winckler (Neisse, 17 February 1856 – Bad Freienwalde, 24 July 1945) was a Prussian military officer, and a general in World War I.

He was the son of Lieutenant General Ewald Fedor von Winckler (1813–1895) and joined the Prussian army at the age of 17.

At the outbreak of World War I, he fought with his division on the Western Front as part of the Second Army and participated in the First Battle of the Marne.

In March 1916, he took over the command of the 11th German Army from Max von Gallwitz on the Salonika front.

[1] After the armistice with Russia in February 1918, he received the command of the XXV Reserve Corps on the Western Front, where he fought until November 1918.