Simon Knéfacz
Simon Knéfacz, or Simeon Knéfacz, alternative names Kniefacz, Šimon Knefac, Šimeon Kniefac (February 23, 1752 – August 3, 1819) was a Hungarian monk and Burgenland Croatian writer.

Born in Devínska Nová Ves near Bratislava (originally Mátyás Knéfacz), died in Klingenbach. He wrote three books in Burgenland Croatian. Knéfacz, along with Lőrinc Bogovich, Jeremiás Sosterich and Godfried Palkovich played a role in the standardization of the Burgenland Croatian language in the 18th century.

Works 
 Lapat evangeliumszki (Evangeliary), 1798
 Marianszko czvéche (Virgin's flower), 1803
 Vrata nebészka (Heavenly Gate), 1804