| Triin | |
| Gender: | Female |
| Region: | Estonia |
| Language: | Estonian |
| Related Names: | Katherine, Katrin, Triinu, Trina |
| Name Day: | 25 November |
Triin is an Estonian feminine given name. Triinu is another version of Triin. It is a form of Katherine. It is likely that the name Triin derives from the North Germanic name Trina which was first documented in 1652, in Sweden.[1] The name is common in Estonia, and may refer to any of the following persons: