| Patrick Power | |
| Smallimage: | Patrick Power.jpg |
| Constituency Mp1: | Halifax |
| Parliament1: | Canadian |
| Alongside1: | Alfred Gilpin Jones |
| Successor1: | William Johnston Almon Stephen Tobin |
| Term Start1: | 1867 |
| Term End1: | 1872 |
| Alongside2: | Alfred Gilpin Jones |
| Predecessor2: | William Johnston Almon Stephen Tobin |
| Successor2: | Matthew Henry Richey Malachy Bowes Daly |
| Term Start2: | 1874 |
| Term End2: | 1878 |
| Birth Date: | 17 March 1815 |
| Birth Place: | Kilmacthomas, County Waterford (Republic of Ireland) |
| Death Place: | Halifax, Nova Scotia, Canada |
| Party: | Anti-Confederate (1867-1869) Liberal Party of Canada (1869-1870) Independent Liberal (1870-1878) |
| Children: | Lawrence Geoffrey Power |
Patrick Power (March 17, 1815 - February 23, 1881) was a Canadian politician and a Member of Parliament for the riding of Halifax in Nova Scotia. He was born on March 17, 1815, at Kilmacthomas in County Waterford, Ireland. He immigrated to Nova Scotia in 1823 with his parents and later worked as a merchant in Canada.
He was first elected as a member of the Anti-Confederation Party on September 20, 1867. On January 30, 1869, he became a member of the Liberal Party, but in 1870 he became an Independent Liberal. He ran for re-election and lost on October 12, 1872. He was re-elected to the 3rd Canadian Parliament on January 22, 1874, but he was defeated in the next election on September 17, 1878.
In 1876, he was offered a position in Alexander Mackenzie's Cabinet to replace Thomas Coffin, but he declined. Ill since 1877, he retired from politics following his electoral defeat in 1878 and died on February 23, 1881. During life, he worked on various boards and commissions themed with the education and welfare of the poor. For his charity work, he was awarded the Order of St. Gregory the Great by Pope Pius IX in 1870. His son, Lawrence Geoffrey Power, was a member of the Senate. The Patrick Power Library at St. Mary's University in Halifax bears his namesake.