Andrea Marie Truden (July 26, 1943 – November 7, 2011), better known by her pseudonym Andrea True, was an American pornographic actress and singer from the disco era. In addition to her given name, she had multiple stage names, including Inger Kissin, Singe Low, Sandra Lips, Andrea Travis, and Catherine Warren.

As a singer, she is best known for the 1976 disco tune, "More, More, More", which peaked at #4 on the US Billboard Hot 100 and #5 on the UK Singles Chart.