| Siili | |
| Settlement Type: | Subdistrict of Tallinn |
| Subdivision Type: | Country |
| Subdivision Name: | Estonia |
| Subdivision Type1: | County |
| Subdivision Name1: | Harju County |
| Subdivision Type2: | City |
| Subdivision Name2: | Tallinn |
| Subdivision Type3: | District |
| Subdivision Name3: | Mustamäe |
| Population Total: | 3649 |
| Population As Of: | 01.01.2014 |
Siili (Estonian for "Hedgehog") is a subdistrict (Estonian: asum) in the district of Mustamäe, Tallinn, the capital of Estonia. It has a population of 3,649 .[1]