A Stockholm municipal election was held on 16 September 1973 to allocate the 101 seats of the Stockholm City Council (Stockholms stadsfullmäktige) amongst the various Swedish political parties using a party-list proportional representation system. The election was held concurrently with a Swedish parliamentary election. Voter turnout for the municipal election in Stockholm was 88.6%.
| Party | Votes | Seats | |||
| # | % | # | + – | ||
| Social Democrats Socialdemokraterna (s) |
183,321 | 39.4% | 42 | –4 | |
| Moderate Party Moderaterna (m) |
107,935 | 23.2% | 23 | +7 | |
| Centre Party Centerpartiet (c) |
65,247 | 14.0% | 15 | +5 | |
| People's Party Folkpartiet (fp) |
54,328 | 11.7% | 12 | –10 | |
| Left Party Communists Vänsterpartiet kommunisterna(v) |
41,626 | 8.9% | 9 | +2 | |
| Christian Democrats Kristdemokraterna (kd) |
5252 | 1.1% | 0 | ±0 | |
| Other parties | 7,934 | 1.7% | 0 | ±0 | |
| Total | 465,643 | — | 101 | ±0 | |
| Invalid ballots | 6,839 | ||||
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