Olena
Olena stands for:
- a variant of the female given name Alena
- Olena, Arkansas
- Olena (Illinois)
- Olena (Ohio)
- Titular Diocese of Olena of the Roman Catholic Church
- Olena (Barberino Val d'Elsa) , place (Località) of the municipality of Barberino Val d'Elsa
- Olena (software) , a software platform for image processing