Jozef Ignác Bajza (Hungarian: Bajza József Ignác; 5 March 1755 – 1 December 1836) was an ethnically Slovak writer, satirist and Catholic priest in the Kingdom of Hungary.
He is best known for his novel René mládenca príhodi a skúsenosti (original, modern spelling René mládenca príhody a skúsenosti), which was the first novel written in Slovak language.