James Charles McKeagney (1815 – 14 September 1879) was a Canadian lawyer, politician, and judge. Born in County Tyrone, Ireland, he moved to Nova Scotia with his family in 1822. He was educated in Baddeck and at McQueen's Academy in Halifax. McKeagney was called to the Nova Scotia bar in 1838. He was first elected to the Nova Scotia House of Assembly for Richmond County in 1840 but his election was overturned on a technicality. McKeagney represented Inverness County from 1843 to 1847 and then Sydney Township from 1848 to 1851 and again from 1855 to 1859. In 1857, he was named inspector of mines and minerals. McKeagney was named Queen's Counsel in 1866.