The 1973 Plymouth City Council election took place on 7 June 1973 to elect members of Plymouth City Council in England. This was on the same day as other local elections. Voting took place across 22 wards, each electing 3 Councillors. Following the Local Government Act 1972, this was the first election to the new non-metropolitan district council for Plymouth, which came into being on 1 April the following year. The Conservative Party took control of the Council after winning a majority of seats.
|- | colspan=2 style="text-align: right; margin-right: 1em" | Total | style="text-align: right;" | 66 | colspan=5 | | style="text-align: right;" | 60,424 | style="text-align: right;" |