Haute-Savoie (French: [ot savwa] ) is a department in the Auvergne-Rhône-Alpes region of Southeastern France, bordering both Switzerland and Italy. Its prefecture is Annecy . To the north is Lake Geneva; to the south and southeast are Mont Blanc and the Aravis mountain range.

It holds its name from the Savoy historical region, as does the department of Savoie, located south of Haute-Savoie. In 2019, it had a population of 826,094. Its subprefectures are Bonneville, Saint-Julien-en-Genevois and Thonon-les-Bains.