Ammerschwihr (French pronunciation: [aməʁʃviʁ] ; German: Ammerschweier) is a commune in the Haut-Rhin department in Grand Est in north-eastern France.

Its inhabitants are called Ammerschwihriens.

Ammerschwihr is a small town located on the Wine Road of Alsace. Its main economical resources come from wine-growing, in particular its famous vineyard Kaefferkopf, situated on a hill, and one of the Alsace Grand Cru vineyards.

Ammerschwihr has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Ammerschwihr is 9.4 °C (48.9 °F).