CambridgeSide
| Exterior of CambridgeSide (2018) | |
| Coordinates | 42°22′3″N 71°4′34″W / 42.36750°N 71.07611°W | 
|---|---|
| Address | 100 CambridgeSide Place, Cambridge, Massachusetts, US | 
| Opening date | September 13, 1990 | 
| Previous names | CambridgeSide Galleria (1990–2017) | 
| Developer | New England Development | 
| Management | New England Development | 
| Owner | UBS Trumbull Property Fund | 
| Architect | Arrowstreet | 
| No. of stores and services | 80+ | 
| No. of anchor tenants | 4 (2 open, 2 vacant) | 
| Total retail floor area | 1,000,000 square feet (93,000 m2) | 
| No. of floors | 3 (2 retail, 1 future office) | 
| Parking | Garage parking | 
| Public transit access | Lechmere: | 
| Website | cambridgeside | 
CambridgeSide (previously CambridgeSide Galleria) is an enclosed shopping mall in Cambridge, Massachusetts that opened in 1990. As of 2023, the mall is anchored by TJ Maxx. Previous anchors include department stores Filene's, Lechmere, Macy's, Macy's Home and Children's, Best Buy and Sears.