The Spanish word for pianist is
pianista

Pronunciation

Click the button to hear the pronunication of pianista

The gender of pianista is masculine. E.g. el pianista.

The plural of pianista is pianistas.

Sobre el piano había una nota impresa: Por favor, no disparen al pianista. Lo está haciendo lo mejor que puede.	Over the piano was printed a notice: Please do not shoot the pianist. He is doing his best.
Yo no he conocido a nadie que se jacte de ser un pianista de jazz.	I haven't met anyone that boasts of being a jazz pianist.