| Arehalli | |
| Settlement Type: | Village |
| Pushpin Map: | India Karnataka#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Karnataka, India |
| Coordinates: | 13.0458°N 75.8042°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Karnataka |
| Subdivision Type2: | District |
| Subdivision Name2: | Hassan |
| Parts Type: | Talukas |
| Parts: | Belur |
| Governing Body: | Grama Panchayath |
| Unit Pref: | Metric |
| Area Total Km2: | 5.1584 |
| Population Total: | 7467 [1] |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Kannada |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 573101 |
| Registration Plate: | KA-46 |
Arehalli is a village in the state of Karnataka in southern India.[2] As per census 2011, the location code number of Arehalli is 615144. It is located in the Belur taluk of Hassan district in Karnataka, and is about 230 kilometres from the state capital Bangalore, and 146 kilometres from the chief port city of Mangalore. It is well connected by road through the city of Hassan. The nearest airport is Mangalore International Airport at 160 km, and the nearest major railway station is Hassan Junction railway station located at a distance of 46 km; Sakleshpura railway station is 17 km away.
Local farmers grow coffee (also known as Arehalli Koffee) on their plantation lands. Arehalli contributes 40% of coffee to Karnataka's 71% of contribution in the country's coffee production. According to Arnold Wright, who wrote a book on the state of Mysore dated 1914, Sir Basil Scott (former Chief Justice of Bombay, British India in 1914) owned a coffee plantation in Arehalli.