Famoso vs. célebre vs. conocido
The Spanish words 'famoso', 'célebre' and 'conocido' all refer to being famous or well-known, albeit with slight variations in context and usage.
Famoso
'Famoso' typically refers to an individual who is famous due to popularity or widely recognized due to their accomplishments or status.
Lionel Messi es un futbolista famoso.
(Lionel Messi is a famous footballer.)
El famoso chef, Gordon Ramsay ha abierto un nuevo restaurante.
(The famous chef, Gordon Ramsay has opened a new restaurant.)
Célebre
'Célebre' refers to someone or something that is famous owing to being remarkable or exceptionally good. It is often used for someone or something that distinguished itself in a certain field.
El célebre pintor, Picasso, revolucionó el arte del siglo XX.
(The celebrated painter, Picasso, revolutionized 20th century art.)
La célebre novela "1984" de George Orwell sigue siendo relevante hoy en día.
(The celebrated novel '1984' by George Orwell remains relevant today.)
Conocido
'Conocido' refers to someone or something that is known or recognized but not necessarily famed or celebrated. It can also imply familiarity.
He leído algunos libros del autor conocido Stephen King.
(I've read some books by the known author Stephen King.)
El Parque Guell en Barcelona es un lugar muy conocido.
(The Park Guell in Barcelona is a very well-known place.)
Summary
While 'famoso', 'célebre', and 'conocido' all imply fame or recognition in Spanish. 'Famoso' tends to mean widely recognized or popular, while 'célebre' implies noteworthy achievement calling for celebration and 'conocido', on the other hand, implies being familiar or well-known without necessarily suggesting widespread renown.