Charles Louis von Doussa (better known as Louis von Doussa; 17 May 1850 – 27 May 1932) was an Australian lawyer and politician. He was a member of the South Australian House of Assembly for Mount Barker from 1889 to 1902 and a member of the South Australian Legislative Council for the Southern District from 1903 to 1905. He was Attorney-General of South Australia and Minister for Education in the Jenkins government from 1903 to 1904.