| Official Name: | Altendorf |
| Settlement Type: | Borough of Essen |
| Subdivision Name: | Stadtbezirk III |
| Subdivision Type1: | State electoral district |
| Subdivision Name1: | Wahlkreis 67 |
| Subdivision Type2: | Federal electoral district |
| Subdivision Name2: | Wahlkreis 120 |
| Established Title: | donated to |
| Established Date: | 966 |
| Established Title1: | Part of Borbeck, Prussia |
| Established Date1: | 1816 |
| Established Title2: | within |
| Established Date2: | 1 January 1874 |
| Established Title3: | Incorporation into |
| Established Date3: | 1 August 1901 |
| Seat Type: | Admin HQ |
| Seat: | Essen City Hall, |
| Government Type: | City council |
| Governing Body: | Stadtrat Essen |
| Leader Party: | CDU |
| Leader Title: | Lord Mayor |
| Leader Name: | Thomas Kufen |
| Leader Name1: | Doris Eisenmenger, (Greens) |
| Leader Title2: | Landtag MP |
| Leader Name2: | Britta Altenkamp, (SPD) |
| Leader Title3: | Bundestag MP |
| Leader Name3: | Matthias Hauer, (CDU) |
| Area Total Km2: | 2.49 |
| Population Total: | 22,691 |
| Population As Of: | 2020 |
| Population Density Km2: | 8850 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 45143 |
| Area Code Type: | Area code |
| Area Code: | 0201 |
| Website: | essen.de |
Altendorf ("old village") is a northwestern borough of the city of Essen, Germany. It was incorporated into the city on 1 August 1901. Previously, it had been part of the (Altendorf district), which existed since 1874. Altendorf consisted of two parts, Oberdorf (upper village) and Unterdorf (lower village).[1] Around 23.000 people live here.[2]
Altendorf borders the boroughs of Nordviertel and to the east, to the south, to the west and Bochold to the north.