| Gender | Primarily female |
|---|---|
| Language(s) | English |
| Other names | |
| Alternative spelling | Nellie |
| Related names | Helen, Ellen, Eleanor, Danielle, Nelson |
Nelly and Nellie are female given names, also used as nicknames, which are derived from the names Helen, Ellen, Petronella, Danielle, Cornelia, Eleanor, Janelle, Chanelle, Penelope, Elizabeth, Natalie or Noelia.