Sir Arthur Stewart Leslie Young, 1st Baronet (10 October 1889 – 14 August 1950) was a Scottish Unionist Party politician.
He sat as the member of parliament (MP) for Glasgow Partick (UK Parliament constituency) from 1935 to 1950, and then sat for Glasgow Scotstoun (UK Parliament constituency) until his death.
He held junior ministerial posts in the Coalition Government 1940-1945 and the Caretaker Government 1945. He was created a baronet on 7 September 1945.