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 Barbosa (1987-), Portuguese footballer
Hélder Cabral (1984-), Portuguese footballer
Hélder Cristóvão (1971-), Angola-born Portuguese footballer, often just called Hélder
Hélder Costa (1939-), Portuguese dramatist, formerly exiled in Paris
Hélder Costa (footballer) (1994-), Angola-born Portuguese footballer
Hélder Muianga (1976-), Mozambican football player
Hélder Esteves (1977-), Portuguese football striker
Helder Francisco Malauene ( ), Mozambican politician
Hélder Macedo (1935), Portuguese literary scholar and writer
Hélder Fragueiro Antunes, a Portugues-American executive
Hélder Prista Monteiro (1922-1994), Portuguese absurdist playwright
Hélder Graça Neto (1982-), Angolan footballer
Hélder Postiga (1982-), Portuguese footballer
Hélder Lima Queiroz (21st century), Brazilian zoologist
Hélder Rosário (1980-), Portuguese footballer
Hélder Maurílio (born 1988), Brazilian footballer