Marat is a male and given name. It is a common given name for males from the former Soviet republics (Марат).
In Russia it is a common variant of the Arabic name Morat (Морат), which is derived from the classic Arabic Murad (مراد). Another influence could be the French revolutioner Jean-Paul Marat.
{{cite web}}: CS1 maint: bot: original URL status unknown (link)According to the second version, the name Marat became widespread in the USSR in honor of Jean Paul Marat, one of leaders of the Great French Revolution.