These are the results from the synchronised swimming competition at the 1978 World Aquatics Championships. Canada was the top achiever in the competition, winning 2 gold medals and 1 bronze.

Medal table

Medal summary EventGoldSilverBronzeSolo routine 187.849 181.499 179.650Duet routine 183.300 181.842 180.758Team routine 182.300 181.533 177.919

References https://www.fina.org/sites/default/files/histofina_sy_final_2_0.pdf