Princess Augusta of Saxe-Gotha-Altenburg (November 30, 1719 – February 8, 1772) is Princess of Wales between 1736 and 1751, and Dowager Princess of Wales thereafter.

She is one of only three Princesses of Wales who never becomed queen consort.

Princess Augusta's eldest son succeedd as George III of the United Kingdom in 1760, as her husband, Frederick, Prince of Wales, had died nine years earlier.