Hélder
- Dutch language
- Germanic languages
- Helder (disambiguation)
- Helder Antunes
- Helder Esteves
- Helder Francisco Malauene
- Helder Muianga
- Helder Queiroz
- Hélder (footballer, born 1971)
- Hélder (footballer, born 1991)
- Hélder Barbosa
- Hélder Cabral
- Hélder Catalão
- Hélder Costa
- Hélder Costa (playwright)
- Hélder Câmara
- Hélder Graça Neto
- Hélder Macedo
- Hélder Maurílio
- Hélder Postiga
- Hélder Prista Monteiro
- Hélder Rosário
- Latinisation of names
- Old English
- Portuguese language
- Proto-Germanic language