Arthur-Lucien Beaubien (February 11, 1879 – March 21, 1971) was a Canadian politician and farmer.

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Quick Facts The Honourable, Senator for Provencher, Manitoba ...

The Honourable Arthur-Lucien Beaubien
Senator for Provencher, Manitoba
In office January 29, 1940 – February 1, 1969
Appointed by	William Lyon Mackenzie King
Member of the Canadian Parliament for Provencher
In office 1921–1940
Preceded by	John Patrick Molloy
Succeeded by	René Jutras
Personal details
Born	(1879-02-11)February 11, 1879 Arthabaska, Quebec, Canada
Died	March 21, 1971(1971-03-21) (aged 92)
Political party	Progressive Party Liberal-Progressive Liberal Party
Occupation	Farmer
Committees	Chair, Special Committee on the Canadian Radio Commission (1936)
Portfolio	Government Whip in the Senate (1951–1957 & 1964–1969) Opposition Whip in the Senate (1958–1962)

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Born in Arthabaska, Quebec, he was elected to the House of Commons of Canada in the 1921 election as a member of the Progressive Party to represent the riding or electoral district of Provencher. He was re-elected in 1925, and in 1926 (by acclamation) and 1930 as a Liberal Progressive. He was then re-elected in 1935 as he switched to the Liberal Party.

In 1940, he was appointed to the Senate of Canada upon the advice of Mackenzie King to the senate division of Provencher, Manitoba. He was made Government Whip in the Senate in 1951 until 1957. He became the Senate Opposition Whip in 1958 until 1962 then served another term as Senate Government Whip from 1964 to 1969.

Beaubien also served on various standing committees. He was chair of the Special Committee on the Canadian Radio Broadcasting Commission during the 18th Parliament. He sat on the Standing Joint Committee on the Parliamentary Restaurant, during the 18th Parliament as well as numerous Senate committees. Prior to his federal political experience, he was reeve of Montcalm, Manitoba in 1921.