| Kundanahalli | |
| Other Name: | Kundanahally |
| Settlement Type: | village |
| Pushpin Map: | India Karnataka#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Karnataka, India |
| Coordinates: | 12.358°N 76.0205°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Karnataka |
| Subdivision Type2: | District |
| Subdivision Name2: | Mysore |
| Parts Type: | Taluks |
| Parts: | Periyapatna |
| Unit Pref: | Metric |
| Elevation M: | 788 |
| Population Total: | 675 |
| 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: | 571107 |
| Registration Plate: | KA 45 |
Kundanahalli is a village in Karnataka, India.
It is located 79 km towards west from District headquarters Mysore, 7 km from Piriyapatna, 214 km from State capital Bangalore.
Muttur (4 km), Chittenahalli (5 km), Kampalapura (6 km), Bylakuppe (7 km), Piriyapatna (8 km) are nearby villages. Kundanahalli is surrounded by Virajpet Taluk towards South, Hunsur Taluk towards East, Somvarpet Taluk towards North, Madikeri Taluk towards west .
Madikeri and Mysore are the nearby Cities to Kundanahalli.
The local language is Kannada. The population is 675, in 164 houses. The female population is 52.3%. The male literacy rate is 69.2% and the female literacy rate is 33.6%. The Scheduled Tribe population is 139. The Scheduled Caste number 42. The working population is 60.6%. The under 7 population is 84, including 39 girls.
JD(S), BJP and INC are the major political parties.
The nearest railway station is more than 10 km away.
Piriyapatna, Kushalnagar, Hunsur connect by road.