Count Carl Gustaf Löwenhielm (January 30, 1790 – May 18, 1858) was a Swedish diplomat and Lieutenant-General who was also notable for his paintings of the countries in which he served. He married on 18 September 1817 Jaquette Löwenhielm, the famous mistress of King Oscar I of Sweden and Norway. The couple had no children and divorced on 1 September 1829.