Princess Louise Margaret of Prussia (Louise Margaret Alexandra Victoria Agnes; later Duchess of Connaught and Strathearn; 25 July 1860 – 14 March 1917) was a German princess, and later a member of the British Royal Family, the wife of Prince Arthur, Duke of Connaught and Strathearn. She also served as the Viceregal Consort of Canada, when her husband served as the Governor General of Canada from 1911 to 1916.
| First Name | Louise |
| Middle Name | Margaret Alexandra Victoria Agnes |
| Last Name | of Prussia |
| Full Name at Birth | Louise Margaret Alexandra Victoria Agnes |
| Other Names | Duchess of Connaught and Strathearn |
| Age | 56 (age at death) |
| Date of Birth | July 25, 1860 |
| Date of Death | March 14, 1917 |
| Star Sign | Leo |
| Nationality | German |
| Occupation Category | Royalty |