Italy - National Lower House Elections (1963)
| Party | Votes | Vote Percentage | Seats |
| P99-Independent Movement Free Territory of Trieste | 4261 | 0.01% | 0 |
| P98-Slovene Unitary League | 5679 | 0.02% | 0 |
| P97-Italian Labor Party | 755 | 0.00% | 0 |
| P96-National Vanguard | 959 | 0.00% | 0 |
| P95-Italian People's Movement | 1621 | 0.01% | 0 |
| P94-National Monarchy Party | 6472 | 0.02% | 0 |
| P93-Christian Socialist Party | 6873 | 0.02% | 0 |
| P92-Farmer and Wage Earners' Movement | 2685 | 0.01% | 0 |
| P91-National Union of Public Health | 2926 | 0.01% | 0 |
| P90-Italian Catholic Political Movement | 7220 | 0.02% | 0 |
| P89-Socialist Renewal | 1750 | 0.01% | 0 |
| P88-Italian Combatant Movement-FR.RIN.NAZ | 19902 | 0.06% | 0 |
| P87-Independent Pensioners of Italy Party | 87655 | 0.29% | 0 |
| P86-Concentration of Rural Unity | 92209 | 0.30% | 0 |
| P85-Democratic Party of Monarchical Unity | 536948 | 1.75% | 8 |
| P6-Italian Social Movement | 1570282 | 5.11% | 27 |
| P68-Valdosta Union | 31844 | 0.10% | 1 |
| P61-South Tyrol People's Party | 135457 | 0.44% | 3 |
| P42-Italian Liberal Party | 2144270 | 6.97% | 39 |
| P41-Italian Socialist Democratic Party | 1876271 | 6.10% | 33 |
| P40-Italian Socialist Party | 4255836 | 13.84% | 87 |
| P3-Italian Republican Party | 420213 | 1.37% | 6 |
| P39-Italian Communist Party | 7767601 | 25.26% | 166 |
| P1-Christian Democracy | 11773182 | 38.28% | 260 |
| TOTAL | 30752871 | 630 |
See the Global Elections Database codebook for further information about the election results.