| Sarnitsa | |
| Settlement Type: | Town |
| Subdivision Type: | Country |
| Subdivision Name: | Bulgaria |
| Subdivision Type1: | Provinces (Oblast) |
| Subdivision Type2: | Municipality (Obshtina) |
| Subdivision Name2: | Sarnitsa |
| Timezone: | EET |
| Utc Offset: | +2 |
| Leader Title: | Mayor |
| Postal Code Type: | Postal Code |
| Pushpin Map: | Bulgaria |
| Pushpin Map Caption: | Location of Sarnitsa, Bulgaria |
| Subdivision Name1: | Pazardzhik |
| Population Total: | 3579 |
| Population As Of: | 2011 |
| Elevation M: | 1250 |
| Postal Code: | 4633 |
| Area Code: | 03547 |
| Coordinates: | 41.7333°N 26°W |
| Leader Name: | Nebi Bozov |
| Website: | http://www.sarnitsa.bg/ |
Sarnitsa (also transcribed Surnica, bg|Сърница pronounced as /bg/) is a small town in the Pazardzhik Province, southern Bulgaria. it had 3,511 inhabitants.[1] Formerly a village, it gained its town status in September 2003[2] and since January 2015 has formed the administrative centre of the homonymous Sarnitsa Municipality.
Most inhabitants are ethnic Bulgarians and their main religion is Islam.[2] That means that Sarnitsa is a predominantly Pomak settlement. The city has an ageing age structure.