Blain is an electoral division of the Legislative Assembly in Australia's Northern Territory. It was first created in 1997 and is named after Adair Blain, the second member for the federal Northern Territory electorate, and the only Australian sitting federal MP to ever become a prisoner of war. Blain is an urban electorate, covering 18 km² and taking in Palmerston suburbs of Bellamack and Woodroffe, and most of the suburb of Rosebery and a small section of the suburb of Moulden. There were 5,576 people enrolled within the electorate as of August 2016.