Eight referendums were held in Switzerland in 1973.^[1] The first two were held on 4 March on amendments to the Swiss Federal Constitution on education and promoting research. Whilst the education proposal was approved by a majority of voters, it failed to receive the support of a majority of cantons. The research proposal was approved by both.^[1] The third referendum was held on 20 May on another constitutional amendment, removing articles 51 and 52 regarding Jesuits and cloisters, and was approved.^[1]

The final five referendums were held on 2 December on price controls, the credit system, measures to stabilise the construction market, a reversal of the income tax write-off and a constitutional amendment regarding the protection of animals, all of which were approved.^[1]