Sultan Mahmoud I (Arab: السلطان محمود الأول) was a suspect in the murder investigations of protest leader Hamza Boussefi in Killing Spring (Case #9 of World Edition), weapons dealer Seamus Cummings in The Parting Shot (Case #11 of World Edition), and nomadic tribe leader Anir Aznag in Die by the Sword (Case #12 of World Edition).