Simon \s(i)-mon\ as a boy's name is pronounced SYE-mun. It is of Hebrew origin, and the meaning of Simon is "to hear, to be heard; reputation". Biblical: Simon was the name of two of the apostles, including Simon Peter. A common name from the Middle Ages through the 18th century. Orchestra conductor Simon Rattle; Latin American freedom fighter Simon Bolivar.
Simon has 15 variant forms: Shimon, Si, Sim, Simen, Simeon, Simmonds, Simmons, Simms, Simone, Simonson, Simpson, Symms, Symon, Syms and Szymon.
For more information, see also the related name Ximenes.