Mansur al-Azuri was convicted of stabbing to death fellow citizen Saad al-Subaiee following a dispute, the ministry said in separate statement.
They were both executed in al-Kharj, near the capital Riyadh.
Saudi Arabia executed two citizens for murder on Monday. Baddah al-Dusari was found guilty of killing Saudi national Abdullah al-Qahtani by repeatedly running him over, the interior ministry said in a statement carried by SPA state news agency.
