| Official Name: | Pikareinu |
| Settlement Type: | Village |
| Subdivision Type: | Country |
| Subdivision Name: |  Estonia |
| Subdivision Type1: | County |
| Subdivision Name1: | Põlva County |
| Subdivision Type2: | Parish |
| Subdivision Name2: | Kanepi Parish |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Pikareinu is a village in Kanepi Parish, Põlva County in southeastern Estonia.[1]
The second-tallest structure and the highest top in Estonia, Valgjärve TV Mast, is located in Pikareinu. The poet and writer Elise Aun (1863–1932) was born in Pikareinu.[2]