| Official Name: | Läsna |
| Settlement Type: | Village |
| Subdivision Type: | Country |
| Subdivision Name: |  Estonia |
| Subdivision Type1: | County |
| Subdivision Name1: | Lääne-Viru County |
| Subdivision Type2: | Parish |
| Subdivision Name2: | Kadrina Parish |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Läsna is a village in Kadrina Parish, Lääne-Viru County, in northeastern Estonia.[1]
In 1977, Pikassaare (Pikasaare) and Reiemäe village was merged with Läsna.[2] Toponym "Pikasaare" is still in use and it is notable for orienteering. For example, the final of 2016 World Masters Orienteering Championships took place there.[3]