The Kaitangata Line, also known as the Kaitangata Branch in its first years of operation, was a railway line in Otago, New Zealand. It was built by a private company and was later acquired by the government's Mines Department, and operated from 1876 until 1970. It provided a link from coal mines to the Main South Line, and was never integrated into the network managed by the New Zealand Railways Department, thus although it could be seen as a branch line of the Main South Line, it officially never was