| Rucka | |
| Native Name: | Руцка |
| Native Name Lang: | sr |
| Settlement Type: | Town |
| Pushpin Map: | Serbia |
| Coordinates: | 44.6561°N 20.3064°W |
| Subdivision Type: | Country |
| Subdivision Name: | Serbia |
| Subdivision Type1: | District |
| Subdivision Name1: | Belgrade |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Čukarica |
| Area Footnotes: | [1] |
| Area Total Km2: | 2.97 |
| Population Total: | 316 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
Rucka (Serbian Cyrillic: Руцка) is a suburban settlement of Belgrade, the capital of Serbia. It is located in the municipality of Čukarica.
Rucka is the southernmost and the least populated settlement in the municipality of Čukarica. It is located just 1.5 km west of Umka, with which it makes a continuous built-up urban area, so in the future much smaller Rucka (population of 316, census 2011) might be annexed to Umka (population of 5,292, Census 2002).
Rucka is one of the smallest settlements in the City of Belgrade area, and being classified as an urban, one of the smallest towns in Serbia.