| Nelly Byl | |
| Birth Date: | 25 March 1919 |
| Birth Place: | Molenbeek-Saint-Jean, Belgium |
| Death Place: | Uccle, Belgium |
| Genre: | Pop |
| Occupation: | Songwriter |
Nelly Antoinette Byl (25 March 1919 – 30 November 2011) was a Belgian songwriter, who wrote over 2000 songs[1] in Dutch and other languages.
Byl was born in Molenbeek-Saint-Jean. She wrote some 200 songs for Will Tura, as well as songs for artists such as Conny Vandenbos ("Raak me niet aan", 1963) and the Gibson Brothers ("Que Sera Mi Vida", 1980).[2]
Nelly Byl died in Uccle, aged 92.