Arthur Treloar Whealy DSC & Bar DFC (2 November 1895 – 23 December 1945) was a Canadian First World War flying ace, officially credited with 27 victories.

Whealy first scored with his new aircraft on 29 July 1917, knocking one Albatros D.V down out of control and destroying another one in flames within the hour.

After a five month lapse, Whealy achieved his ninth credited victory on 17 February 1918.

He added three further victories in April, six in May, and a single tally in June, on the 7th, running his total to 24.

After a six-week lull, he scored his final three victories within two weeks, on 22 and 27 August, and on 4 September.

For the most consistent determination, bravery and skill with which he has carried out numerous low flying harassing attacks on the enemy's troops, transports, etc., inflicting heavy casualties and damage.

Under his able and determined leadership his flight has engaged and accounted for many enemy machines, he himself being personally responsible for many of these.

During the recent advance he has carried out daring reconnaissances at very low altitudes, invariably bringing back valuable information.