Jarrier (French pronunciation: [ʒaʁje]; Arpitan: Jarriér) is a commune in the Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France.

According to a 2010 study by the French National Centre for Scientific Research, the commune is situated in a "mountain climate". In 2020, Météo-France published its own typology of French climates in which it categorized the commune's climate as a mountain climate or mountain margins climate within the Northern Alps climate region.

From 1971 to 2000, the average annual temperature was 8.3 °C (46.9 °F), with an annual range of 17.4 °C (63.3 °F). The average annual rainfall was 1,156 millimetres (45.5 in), with 9.7 days of rainfall in January and 8.9 days of rainfall in July.

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  Map of the commune's infrastructure and land use in 2018
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  Satellite image of the commune

According to France's National Institute of Statistics and Economic Studies, the commune had a population of 499 in 2021, up from 497 in 2015. The age distribution was skewed towards the elderly, with 13.5% of the population aged 14 and under, 9.3% aged 15−29, 16% aged 30−44, 22.4% aged 45−59, 27.4% aged 60−74, and 11.5% aged 75 or higher. Since 2015, the population of the 60−74 and 75+ age ranges had increased while the younger age ranges had decreased in population.

The commune had 153 single-family households, 56.1% of which were couples without children. 37.3% were couples with children, and a further 6.6% were single-parent households. 87.8% of permanent residences were owned by their occupants, while 9.7% were rented. The median disposable household income was €26,000.

• Communes of the Savoie department