Hélder is a given name in Portuguese. The unrelated German-Jewish surname "Helder" is also given the accent in Portuguese, such as the Portuguese poet Herberto Hélder (1930-).
The name is sometimes confused with Heitor. People named Hélder include:
- Hélder Fragueiro Antunes, a Portugues-American executive
- Hélder Barbosa (born 1987), Portuguese footballer
- Hélder Cabral (born 1984), Portuguese footballer
- Hélder Catalão (born 1955), Portuguese footballer
- Hélder Cristóvão (born 1971), Angola-born Portuguese footballer, often just called Hélder
- Hélder Costa (born 1994), Angola-born Portuguese footballer
- Hélder Costa (playwright) (born 1939), Portuguese dramatist, formerly exiled in Paris
- Hélder Muianga (born 1976), Mozambican football player
- Hélder Esteves (born 1977), Portuguese football striker
- Helder Francisco Malauene, Mozambican politician
- Hélder Macedo (born 1935), Portuguese literary scholar and writer
- Hélder Maurílio (born 1988), Brazilian footballer
- Hélder Prista Monteiro (1922–1994), Portuguese absurdist playwright
- Hélder Graça Neto (born 1982), Angolan footballer
- Hélder Postiga (born 1982), Portuguese footballer
- Hélder Lima Queiroz (born 1963), Brazilian zoologist
- Hélder Rosário (born 1980), Portuguese footballer
- Hélder Ribeiro Silva (born 1991), Brazilian footballer