Rahman or Rehman (Arabic: رØÙ…ان‎‎, RaḥmÄn) is an Arabic male name means Gracious. RaḥmÄnis the elative of raḥīm (merciful), based on the triconsonantal root R-Ḥ-M. With nisba (Arabic onomastic), the name becomes Rahmani, means "descendant of the gracious one" and is used as a surname.