Melba may refer to:
- Dame Nellie Melba, Australian soprano opera singer
- Melba (film), a 1953 film directed by Lewis Milestone
- Melba Montgomery, a country music singer
- Melba Moore, an American R&B singer and actress
It can also refer to a number of things named after Nellie Melba:
- Peach Melba, a dessert
- Melba toast, a dry, thin, crisp toast often served with soup
- Melba, Australian Capital Territory, a suburb of Canberra, Australia
- Melba Gully State Park, an environmentally significant area of the Otway Ranges
- Melba Conservatorium Victoria, a music school associated with Victoria University
Other uses include:
- Melba (TV series), a short-lived television series that starred Melba Moore
- Melba, Idaho, a small town in the United States
- Melba is the name of a monster from the show Ultraman Tiga