Arthur Radcliffe Boswell (3 January 1838 – 16 May 1925) was a Canadian lawyer and politician.
He served one term as Mayor of Toronto.
He was also a member of the Orange Order in Canada.
Boswell was born in Cobourg, Upper Canada.
His father was George Morse Jukes Boswell.
Boswell studied law, and became a member of the bar in 1865.
He served two terms of chairman of the Public Library Board, and in 1876 he successfully ran for a seat on the Toronto City Council.
In 1882 he ran for Mayor; his opponent was John Jacob Withrow, a former Toronto Alderman who was instrumental in bringing Toronto's first industrial fair to fruition (1879).
Boswell won the election by five votes, and served one term (January 1883 – January 1885).
He did not stand for re-election.
In 1911 Boswell was appointed Superintendent of Insurance for Ontario and Registrar of Loan Companies.