| Louis-Arthur Giroux | |
| Office: | Member of the Legislative Council of Quebec for Wellington |
| Predecessor: | William Stephen Bullock |
| Successor: | Édouard Asselin |
| Term Start: | 1937 |
| Term End: | 1945 |
| Birth Date: | 6 April 1893 |
| Birth Place: | Farnham, Quebec |
| Death Place: | Lac-Brome, Quebec |
| Party: | Union nationale |
| Relations: | Jean-Jacques Bertrand, son-in-law Jean-François Bertrand, grandson |
| Children: | Gabrielle Bertrand, Maurice Giroux, Suzanne Turmel, Françoise Giroux, Yvette Giroux, Fernand Giroux |
Louis-Arthur Giroux (6 April 1893 - 16 June 1945) was a Canadian politician.
Born in Farnham, Quebec, Giroux was appointed to the Legislative Council of Quebec for Wellington in 1937. A member of the Union nationale, he served until his death in 1945.