| Finnish: Siltasaari | |
| Other Name: | Swedish: Broholmen |
| Settlement Type: | Helsinki Subdivision |
| Subdivision Type: | Country |
| Subdivision Name: |  Finland |
| Subdivision Type1: | Region |
| Subdivision Name1: | Uusimaa |
| Subdivision Type2: | Sub-region |
| Subdivision Name2: | Greater Helsinki |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Helsinki |
| Subdivision Type4: | District |
| Subdivision Name4: | Central |
| Parts Type: | Subdivision regions |
| Parts Style: | para |
| Total Type: | |
| Area Total Km2: | 0.22 |
| Coordinates: | 60.1768°N 24.9509°W |
| Population Total: | 2,266 |
| Population Density Km2: | 10,300 |
| Postal Code Type: | Postal codes |
| Postal Code: | 00500, 00530 |
| Blank Name Sec1: | Subdivision number |
| Blank Info Sec1: | 111 |
| Blank1 Name Sec1: | Neighbouring subdivisions |
| Blank1 Info Sec1: | Kruununhaka, Kluuvi, Linjat, Sörnäinen |
Siltasaari (Finnish), or Broholmen (Swedish), is a central neighborhood of Helsinki, Finland. Most of its area is unofficially known also as Hakaniemi.