| Bettahalasur | |
| Other Name: | Betthalsur |
| Settlement Type: | village |
| Pushpin Map: | India Karnataka#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Karnataka, India |
| Coordinates: | 13.1625°N 77.609°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Karnataka |
| Subdivision Type2: | District |
| Subdivision Name2: | Bangalore |
| Parts Type: | Talukas |
| Parts: | Bangalore North |
| Governing Body: | Village Panchayat |
| Unit Pref: | Metric |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Kannada |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code: | 562157 |
| Registration Plate: | KA 50 |
| Blank1 Name Sec1: | Nearest city |
| Blank1 Info Sec1: | Bangalore |
| Blank2 Name Sec1: | Civic agency |
| Blank2 Info Sec1: | Village Panchayat |
Bettahalasur is census town in Bangalore Urban district in the Indian state of Karnataka. Bettahalasur is located 25 km from Majestic Bus Terminal and 16 km from Bangalore International Airport.
Bettahalasur was known for stone quarrying but recently the quarrying activity has been stopped.
It has a railway Station attached to the village, TLS is the station code.