Geylang Serai Constituency was a single member constituency within Geylang Serai, Singapore that existed in pre-independence era of 1959 elections by carving a portion from its predecessor constituency, Ulu Bedok Constituency It had remained itself all the way until prior to 1988 elections where it is merged into Marine Parade Group Representation Constituency.
| Year | Member of Parliament | Party | |
| Legislative Assembly of Singapore | |||
|---|---|---|---|
| 1959 | Abdul Hamid Jumat | PKMS | |
| 1963 | Rahmat bin Kenap | PAP | |
| Parliament of Singapore | |||
| 1968 | Rahmat bin Kenap | PAP | |
| 1972 | |||
| 1976 | |||
| 1980 | Othman bin Haron Eusofe | ||
| 1984 | |||
Note: The Elections Department does not include rejected votes when calculating the vote shares of candidates. Hence, all candidates' vote shares will total to 100% at any given election (may not appear so in multi-way contests due to rounding).
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| UMNO | Abdul Hamid Jumat | 7,940 | 63.09 | |
| PAP | Roshan bin Hassan | 3,832 | 30.45 | |
| PMIP | Syed Ahmad Dahlan | 460 | 3.66 | |
| Partai Rakyat Singapore | Harun bin Mohamed Amin | 353 | 2.80 | |
| Registered electors | 14,447 | |||
| Total valid votes | 12,585 | 99.14 | ||
| Rejected ballots | 109 | 0.86 | ||
| Turnout | 12,694 | 87.87 | ||
| UMNO win (new seat) | ||||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| PAP | Rahmat bin Kenap | 6,722 | 48.01 | ||
| SA | Ahmad bin Haji Taff | 5,019 | 35.85 | ||
| PMIP | Mohamed Taha bin Suhaimi | 1,201 | 8.58 | ||
| Independent | Darus Shariff | 1,059 | 7.56 | N/A | |
| Majority | 1,703 | 12.16 | N/A | ||
| Registered electors | 15,302 | ||||
| Total valid votes | 14,001 | 97.07 | |||
| Rejected ballots | 423 | 2.93 | |||
| Turnout | 14,424 | 94.26 | |||
| PAP gain from PKMS | |||||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| PAP | Rahmat bin Kenap | 9,363 | 83.01 | ||
| Independent | Darus Shariff | 1,916 | 16.99 | ||
| Majority | 7,447 | 66.02 | |||
| Registered electors | 12,741 | ||||
| Total valid votes | 11,279 | 97.28 | |||
| Rejected ballots | 315 | 2.72 | |||
| Turnout | 11,587 | 90.9 | |||
| PAP hold | Swing | ||||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| PAP | Rahmat bin Kenap | 6,711 | 53.59 | −29.42 | |
| PKMS | Ahmad Haji Taff | 4,978 | 39.75 | +39.75 | |
| United National Front | Raja Rom bin Raja Jaafar | 833 | 6.66 | +6.66 | |
| Turnout | 12,801 | 92.5 | +1.6 | ||
| PAP hold | Swing | -29.42 | |||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| PAP | Rahmat bin Kenap | 8,780 | 66.34 | +12.75 | |
| PKMS | Amnah bte Kuong Hussein | 3,129 | 23.64 | −16.11 | |
| United People's Front | Darus bin Shariff | 1,326 | 10.02 | +10.02 | |
| Turnout | 13,543 | 95.5 | +3.0 | ||
| PAP hold | Swing | +12.75 | |||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| PAP | Othman bin Haron Eusofe | 13,195 | 71.99 | +5.65 | |
| UF | Seow Khee Leng | 5,134 | 28.01 | +28.01 | |
| Turnout | 18,832 | 94.3 | −1.2 | ||
| PAP hold | Swing | +5.65 | |||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| PAP | Othman bin Haron Eusofe | 14,564 | 65.57 | −6.42 | |
| SUF | Mohamed Monsor Rahman | 7,649 | 34.43 | +6.42 | |
| Turnout | 22,956 | 95.2 | +0.9 | ||
| PAP hold | Swing | -6.42 | |||