Duarte (alternative form of Edward, Eduardo in Portuguese and Spanish) is also a surname and could refer to a number of people:
- Portuguese Royalty
- Edward of Portugal (Portuguese Duarte I), King of Portugal, 1433-1438
- Duarte Nuno, Duke of Braganza (1907-1976), former claimant to the Portuguese throne
- Duarte Pio, Duke of Braganza (born 1945), current claimant to the Portuguese throne (Duarte Nuno eldest son)
- Duarte I, 4th Duke of Guimarães (1515-1540), Infante of Portugal
- Duarte II, 5th Duke of Guimarães (1541-1576), Infante of Portugal
- Infante Duarte of Braganza (1605-1649), Lord of Vila do Conde, King John IV younger brother
- Others
- Anselmo Duarte (1920-2009), Brazilian actor
- Bela Duarte, Cape Verdean artist
- Chris Duarte, blues guitarist
- Eva Duarte, Eva Perón better known as "Evita", at birth María Eva Duarte, then wife of President Perón and former first lady of Argentina
- Fabio Duarte, Colombian track and road cyclist from Colombia
- F. J. Duarte, laser physicist and author.
- John W. Duarte, classical guitarist
- José Napoleón Duarte, President of El Salvador
- Juan Pablo Duarte, founding father of the Dominican Republic
- Leonora Duarte, Flemish/Jewish composer
- Lerin Duarte, Dutch football (soccer) player
- Nicanor Duarte Frutos, President of Paraguay
Duarte can also refer to:
- Duarte, California, USA
- Duarte Province, Dominican Republic
- Pico Duarte, a mountain in the Dominican Republic
- Duarte Square, a triangular plot in New York City