| Country: | Monaco |
| Previous Election: | 1973 |
| Next Election: | 1983 |
| Election Date: | 15 January 1978 |
| Election Name: | 1978 Monegasque general election |
| Seats For Election: | All 18 seats in the National Council |
| Majority Seats: | 10 |
| Party1: | UND |
| Percentage1: | 84.53 |
| Seats1: | 18 |
| Last Election1: | 16 |
| President of the National Council | |
| Before Election: | August Médecin |
| Before Party: | UND |
| After Party: | UND |
General elections were held in Monaco on 15 January 1978. The result was a victory for the National and Democratic Union, which won all 18 seats in the National Council.
Voters can either choose a party list or choose candidates from various lists ("panachage") for the 18 seats. To be elected a candidate must receive a majority of valid votes. If the 18 seats are not filled in the first round, the remaining seats are elected in a second round by a simple majority.