| Honorific-Prefix: | The Honourable | ||||||||||
| Murray MacLaren | |||||||||||
| Constituency Mp: | St. John—Albert | ||||||||||
| Parliament: | Canadian | ||||||||||
| Predecessor: | Stanley Edward Elkin | ||||||||||
| Successor: | William Ryan | ||||||||||
| Alongside: | John B. M. Baxter | ||||||||||
| Term Start: | December 6, 1921 | ||||||||||
| Term End: | January 31, 1935 | ||||||||||
| Office2: | Lieutenant Governor of New Brunswick | ||||||||||
| Order2: | 18th | ||||||||||
| Predecessor2: | Hugh Havelock McLean | ||||||||||
| Successor2: | William George Clark ⋅ | ||||||||||
| Term Start2: | January 31, 1935 | ||||||||||
| Term End2: | March 5, 1940 | ||||||||||
| Monarch2: | George V Edward VIII George VI | ||||||||||
| Governor General2: | The Earl of Bessborough The Lord Tweedsmuir | ||||||||||
| Premier2: | Leonard P. D. Tilley Allison Dysart | ||||||||||
| Birth Date: | 30 April 1861 | ||||||||||
| Birth Place: | Richibucto, New Brunswick, Canada | ||||||||||
| Death Place: | Saint John, New Brunswick, British North America | ||||||||||
| Nationality: | Canadian | ||||||||||
| Party: | Conservative | ||||||||||
| Children: | 1 | ||||||||||
| Occupation: | Physician | ||||||||||
| Profession: | Politician | ||||||||||
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Murray MacLaren (April 30, 1861 - December 24, 1942) was a Canadian politician and the 18th Lieutenant Governor of New Brunswick.
Born in Richibucto, New Brunswick, he was a physician before being elected to the House of Commons of Canada representing the New Brunswick riding of St. John—Albert in the 1921 federal election. A Conservative, he was re-elected in 1925, 1926, and 1930. From 1930 to 1934, he was the Minister of Pensions and National Health. From 1935 to 1940, he was the Lieutenant-Governor of New Brunswick. He died in 1942 in Saint John, New Brunswick.