Capitaine Albert Louis Deullin (24 August 1890 – 29 May 1923) was a French World War I flying ace credited with twenty aerial victories.

He scored his first aerial victory on 10 February 1916 while on a long reconnaissance flight behind German lines.

[4] By the time he scored his seventh victory on 15 September 1916, new SPAD VIIs were coming into the squadron's inventory.

[5] Deullin became a pioneer of french commercial aviation by becoming the chief-pilot of aerial company franco-roumaine, employing many veterans pilots from former GC 19.

Flying old Salmson 2A2 from military surplus, the company opened aerial lines from Paris to eastern European cities, including Istanbul.

[6] Chevalier de la Légion d'Honneur "Pilot with exceptional initiative and sang-froid, endlessly seeking battle against enemy planes.

By his daily example and ceaseless work, in three months he has forged his Groupe de Combat into an elite unit.

During the first days of the German offensive he executed in the rain and close to the ground, an audacious reconnaissance which was valuable to the intelligence officer.