1978 United States Senate election in Louisiana

1978 Democratic Senate primary election in Louisiana

← 1972 September 16, 1978 1984 →
 
Nominee J. Bennett Johnston Woody Jenkins
Party Democratic Democratic
Popular vote 498,773 340,896
Percentage 59.40% 40.60%

Parish results
Johnston:      50–60%      60–70%      70–80%      80–90%
Jenkins:      50-60%

U.S. senator before election

J. Bennett Johnston
Democratic

Elected U.S. Senator

J. Bennett Johnston
Democratic

The open primary election for the 1978 United States Senate election in Louisiana was held on September 16, 1978.

Incumbent Senator J. Bennett Johnston won the election with 59.40% of the vote and was declared elected by a majority, dispelling the need for a general election in November.