| Kottanahalli | |
| Area Code: | 91-(0)816 |
| Area Code Type: | Telephone code |
| Blank1 Info Sec1: | Tumkur |
| Blank1 Name Sec1: | Nearest city |
| Blank2 Info Sec1: | Tumkur |
| Blank2 Name Sec1: | Lok Sabha constituency |
| Blank3 Info Sec1: | Tumkur Rural |
| Blank3 Name Sec1: | Vidhan Sabha Constituency |
| Demographics1 Info1: | Kannada |
| Demographics1 Title1: | Official |
| Demographics Type1: | Languages |
| Unit Pref: | Metric |
| Timezone1: | IST |
| Subdivision Type2: | District |
| Subdivision Type1: | State |
| Subdivision Type: | Country |
| Subdivision Name2: | Tumkur |
| Subdivision Name1: | Karnataka |
| Subdivision Name: |  India |
| Settlement Type: | Village |
| Registration Plate: | KA-06 |
| Pushpin Map Caption: | Location in Karnataka, India |
| Population Density Km2: | auto |
| Pushpin Map: | India Karnataka#India3 |
| Pushpin Label Position: | right |
| Postal Code Type: | PIN |
| Postal Code: | 572107 |
| Parts Type: | Taluk |
| Parts: | Tumkur |
| Government Type: | Panchayat Raj |
| Governing Body: | Gram Panchayat |
| Utc Offset1: | +5:30 |
Kottanahalli is a small village situated in Doddanaravangala Panchayat of Tumkur District, Karnataka. It is approximately 10 km from the City of Tumkur and 0.9miles from Mallasandra on NH73 between Tumkur-Gubbi. It was also called Kamadenunagara in olden days.