The following is a list of Singaporean electoral divisions from 1963 to 1968 that served as constituencies that elected members to the 3rd Legislative Assembly of Singapore in the 1963 Singaporean general elections.[1] Upon Singapore's independence in 1965, the Legislative Assembly was dissolved and became the 1st Parliament of Singapore.
| District | Code | Electorate (1963) | |
|---|---|---|---|
| Aljunied | AJ | 16,152 | |
| Anson | AS | 9,192 | |
| Bras Basah | BB | 10,678 | |
| Bukit Merah | BM | 12,225 | |
| Bukit Panjang | BP | 12,225 | |
| Bukit Timah | BT | 12,502 | |
| Cairnhill | CA | 12,340 | |
| Changi | CH | 11,866 | |
| Chua Chu Kang | CK | 8,198 | |
| Crawford | CF | 10,949 | |
| Delta | D | 14,037 | |
| Farrer Park | FP | 10,189 | |
| Geylang East | GE | 16,014 | |
| Geylang Serai | GS | 15,302 | |
| Geylang West | GW | 15,386 | |
| Havelock | H | 15,159 | |
| Hong Lim | HL | 12,003 | |
| Jalan Besar | JB | 13,764 | |
| Jalan Kayu | JK | 9,164 | |
| Joo Chiat | JC | 14,966 | |
| Jurong | J | 7,611 | |
| Kallang | KL | 16,974 | |
| Kampong Glam | KG | 10,186 | |
| Kampong Kapor | KK | 11,672 | |
| Kampong Kembangan | KN | 15,787 | |
| Kreta Ayer | KA | 13,103 | |
| Moulmein | MM | 10,670 | |
| Mountbatten | MB | 16,843 | |
| Nee Soon | NS | 10,064 | |
| Pasir Panjang | PP | 6,721 | |
| Paya Lebar | PL | 13,544 | |
| Punggol | PG | 10,294 | |
| Queenstown | Q | 16,133 | |
| River Valley | RV | 10,532 | |
| Rochore | R | 11,698 | |
| Sembawang | SB | 9,329 | |
| Sepoy Lines | SP | 10,046 | |
| Serangoon Gardens | SG | 8,765 | |
| Siglap | SL | 15,915 | |
| Southern Islands | SI | 5,236 | |
| Stamford | ST | 11,628 | |
| Tampines | TM | 13,137 | |
| Tanglin | T | 9,239 | |
| Tanjong Pagar | TP | 11,395 | |
| Telok Ayer | TA | 13,219 | |
| Telok Blangah | TL | 13,263 | |
| Thomson | TH | 11,336 | |
| Tiong Bahru | TG | 12,534 | |
| Toa Payoh | TY | 13,394 | |
| Ulu Pandan | UP | 11,866 | |
| Upper Serangoon | US | 12,433 |