Ens
- Emergency notification system
- Empty nose syndrome
- Encash Network Service
- EnerSys
- Engineered negligible senescence
- Ens (river)
- Ens, Hautes-Pyrénées
- Ens, Netherlands
- Ens, Saskatchewan
- Ensamble Nacional del Sur
- Enschede Airport Twente
- Ensign (rank)
- Enteric nervous system
- Environment News Service
- Ethereum
- European Nuclear Society
- Gerhard Ens
- Italian National Agency for the Deaf
- Jewel Ens
- Mutz Ens
- Sarah Ens
- Together (coalition)
- École normale supérieure
- École normale supérieure (Paris)
- École normale supérieure Paris-Saclay
- École normale supérieure de Lyon
- École normale supérieure de Rennes