| Sira | |
| Settlement Type: | City |
| Pushpin Map: | India Karnataka |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Karnataka, India |
| Coordinates: | 13.745°N 76.909°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Karnataka |
| Subdivision Type2: | District |
| Subdivision Name2: | Tumakuru |
| Governing Body: | City Municipality Council |
| Unit Pref: | Metric |
| Area Total Km2: | 16 |
| Area Rural Km2: | 1538 |
| Elevation M: | 661 |
| Population Total: | 80000[1] |
| 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: | 572 137 |
| Area Code Type: | Telephone code |
| Area Code: | 08135 |
| Registration Plate: | KA-64 |
| Iso Code: | IN-KA |
Sira is a city and taluk headquarters of Sira Taluk of Tumakuru district in the state of Karnataka, India. It lies on the AH 47, NH 48 (earlier NH 4). It is the second largest city in the district after the headquarters by population, area and economy. It is the fastest developing city in the district. The State Capital city, Bengaluru, is 120 km from Sira. It is known for its historical significance as a political and military center and for being the capital of Imperial Sira Subah in the early 1700s.
Sira is located at 13.75°N 76.91°W.[2] It has an average elevation of 662 metres (2171 feet).
India census, Sira had a population of 57,554. Males constitute 52% of the population and females 48%. The literacy rate of Sira city is 83.77%, which is higher than the state average of 75.36%. In Sira, male literacy is around 87.47% while female literacy is 79.99%. In Sira, 11.68% of the population is under 6 years of age.