| Prague 20 | |
| Native Name: | Praha 20 |
| Settlement Type: | Municipal District of Prague Administrative District of Prague |
| Subdivision Type: | Country |
| Subdivision Name: | Czech Republic |
| Subdivision Type2: | Region |
| Subdivision Name2: | Prague |
| Coordinates: | 50.1147°N 14.6125°W |
| Leader Title: | Mayor |
| Leader Name: | Petr Měšťan |
| Area Total Km2: | 16.95 |
| Population As Of: | 2021 |
| Population Total: | 15303 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 193 00 |
| Website: | http://www.pocernice.cz/ |
Prague 20, also known as Horní Počernice (German Ober Potschernitz), is a municipal district (městská část) in Prague. It is located in the eastern part of the city. It is formed by one cadastre Horní Počernice. As of 2021, there were 15,303 inhabitants living in Prague 20.
The administrative district (správní obvod) of the same name is identical with the municipal district Prague 20.