| One City Center | |
| Location: | Portland, Maine, United States |
| Address: | 1 City Center |
| Coordinates: | 43.6576°N -70.2573°W |
| Floor Count: | 13 |
| Map Type: | Maine |
| Map Dot Label: | One City Center |
| Building Type: | High-rise building |
One City Center is an office building located in Monument Square, Portland, Maine. The building serves as the northern New England offices for Bank of America, and a Bank of America logo is featured at the building's highest point. It consists of 13 floors and features a five-story atrium with a full-service food court inside the building. The building was completed in 1985.[1] Its entrance is located on what used to be Middle Street, prior to this section being pedestrianized in the 20th century.