Joseph Finegan, sometimes Finnegan, was an American businessman and brigadier general for the Confederate States Army during the American Civil War. From 1862 to 1864 he commanded Confederate forces operating in Middle and East Florida, ultimately leading the Confederate victory at the Battle of Olustee, the state's only major battle. He subsequently led the Florida Brigade in the Army of Northern Virginia until near the end of the war.

The Battle of Olustee or Battle of Ocean Pond was fought in Baker County, Florida on February 20, 1864, during the American Civil War. It was the largest battle fought in Florida during the war.