Trinidad and Tobago - National Lower House Elections (1966)
| Party | Votes | Vote Percentage | Seats |
| P8-Independents [IND] | 1467 | 0.49% | 0 |
| P5-Democratic Labour Party [DLP] | 102792 | 33.99% | 12 |
| P35-Workers and Farmers Party [WFP] | 10484 | 3.47% | 0 |
| P2-Butler Party [BP] | 704 | 0.23% | 0 |
| P26-Seukaran Independent Party [SIP] | 569 | 0.19% | 0 |
| P22-People's National Movement [PNM] | 158573 | 52.44% | 24 |
| P20-People's Democratic Party [PDP] | 943 | 0.31% | 0 |
| P10-Liberal Party [LP] | 26870 | 8.89% | 0 |
| TOTAL | 302402 | 36 |
See the Global Elections Database codebook for further information about the election results.