Official results for the 1977 Puducherry Legislative Assembly election. ADMK won the most seats with 14 out of 30.
Total seats: 30. Majority mark: 15.
| Party | Seats | Vote Share |
|---|---|---|
| ADMK | 14 | 31.0% |
| JP | 7 | 26.5% |
| DMK | 3 | 13.5% |
| IND | 3 | 6.1% |
| INC | 2 | 17.4% |
| CPI | 1 | 5.5% |
| Constituency | Winner | Party | Margin % |
|---|---|---|---|
| ARIANKUPPAM | V. PETHAPERUMAL | JP | 31.1% |
| BAHOUR | K. KANDHI | IND | 21.0% |
| EMBALAM | N. VARADHAN | ADMK | 20.8% |
| INDIRA NAGAR | V. SABAPATHY @ KOTHANDARAMAN | INC | 18.0% |
| KADIRGAMAM | R. KANNAN | JP | 8.6% |
| KALAPET | N. VENGADASAMY | ADMK | 5.0% |
| KAMARAJ NAGAR | K. SIVALOGANATHANE | ADMK | 3.6% |
| KARAIKAL NORTH | N. V. RAMALINGAM | DMK | 3.6% |
| KARAIKAL SOUTH | P. SELVARAJ | ADMK | 1.4% |
| LAWSPET | SRVAPRAKASAM S. | INC | 2.8% |
| MAHE | T.K. CHANDRASEKHARAN | IND | 10.6% |
| MANAVELY | V. SUBBIAH | CPI | 1.1% |
| MANGALAM | SUSAIRAJ S. | ADMK | 3.1% |
| MANNADIPET | PALANIRAJA .G. | ADMK | 14.9% |
| MUDALIARPET | G. PERULARAJA | DMK | 3.3% |
| MUTHIALPET | P. UTHIRAVELU | JP | 14.1% |
| NEDUNGADU | S. RAMASSAMY | ADMK | 10.0% |
| NELLITHOPE | PAZHANINATHAN S. | ADMK | 2.0% |
| NERAVY-T.R.PATTINAM | K. V. RAGHAVAN | IND | 0.2% |
| NETTAPAKKAM | T. SUBBAIYA | ADMK | 17.0% |
| ORLEAMPETH | M. THANGAVELU | ADMK | 18.3% |
| OUPALAM | D. RAMACHANDRAN | ADMK | 20.1% |
| OUSSUDU | RAMAJAYAM D. | JP | 0.3% |
| OZHUKARAI | N. MANIMARAN | ADMK | 23.3% |
| RAJ BHAVAN | MANIYAM M. | ADMK | 25.0% |
| THATTANCHAVADY | P. SUBBURAYAN | DMK | 7.9% |
| THIRUBHUVANAI | ANSARI P. DURAISAMY | JP | 11.8% |
| THIRUNALLAR | V.M.C. VARADA PILLAI | JP | 2.0% |
| VILLIANUR | C. N. PARTHASARATHY | ADMK | 3.5% |
| YANAM | KAMICHETTY SRI PARASSORAMA VARAPRASSADA RAO | JP | 1.6% |