| Official Name: | Tattarisuo Tattarmossen |
| Settlement Type: | Neighborhood of Helsinki |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Finland |
| Subdivision Type1: | Province |
| Subdivision Name1: | Southern Finland |
| Subdivision Type2: | Region |
| Subdivision Name2: | Uusimaa |
| Subdivision Type3: | Sub-region |
| Subdivision Name3: | Helsinki |
| Subdivision Type4: | District |
| Subdivision Type5: | Sub-district |
| Unit Pref: | Imperial |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Tattarisuo (pronounced as /fi/; sv|Tattarmossen) is a northeastern neighborhood of Helsinki, Finland, located east of the former Helsinki-Malmi Airport, about from the centre of Malmi. It has a population of 70 (in 2005), and contains 1084 jobs (December 2003). The neighbourhood consists mostly of small industry and warehouses.[1] Many of the companies in the area deal with recycling metal.
The woods in the area is known for their bird life and are popular among birdwatchers in Helsinki.
Tattarisuo is well-known for the notorious criminal case that happened in the early 1930s.[2]