Dema
- Ademar Fonseca
- Association for Democracy Assistance and Human Rights
- Danish Emergency Management Agency
- Dema (footballer)
- Dema Deity
- Dema Kovalenko
- Dema language
- Dema, Kentucky
- Demas
- Demas Range
- Detroit Electronic Music Archive
- Dorji Dema
- Déma, Benin
- Gjergji Dëma
- Malaysia Youth and Students Democratic Movement
- Marjan Dema
- N'Déma
- Twenty One Pilots