David Alroy or Alrui (Arabic: داود ابن الروحي,[1] Hebrew: דָּוִד אַלְרוֹאִי, fl. 1160), also known as Ibn ar-Ruhi and David El-David, was a Jewish Messiah claimant born in Amadiya, Iraq under the name Menaḥem ben Solomon (Hebrew: מְנַחֵם בֵּן שְׁלֹמֹה). David Alroy studied Torah and Talmud under Hasdai the Exilarch, and Ali, the head of the Academy in Baghdad.