The Border Watch is an Australian newspaper based in Mount Gambier, South Australia, as of October 2020 owned by TBW Today Pty Ltd. The paper services Mount Gambier, the South Australian Limestone Coast, and parts of Western Victoria. It is the oldest and largest regional newspaper in South Australia. After 159 years of publishing the newspaper (along with sister publications The Pennant and the South Eastern Times) was briefly discontinued on 21 August 2020. However, The Border Watch resumed operation, under a consortium of new publishing owners, in an initial weekly format on 16 October 2020.