The 1973 West Dorset District Council election was held on Thursday 10 May 1973 to elect councillors to the new West Dorset District Council in England. It took place on the same day as other district council elections in the United Kingdom.
These were the first elections to the new district council, which would come into effect on 1 April 1974. Future elections would take place every three years, with the next election scheduled for 6 May 1976.
The 1973 election saw Independent councillors take a significant majority on the Council.