The 1948 Georgia lieutenant gubernatorial special election was held on 2 November 1948 in order to elect the lieutenant governor of Georgia upon the succession of Lieutenant Governor Melvin E. Thompson to the Georgia governorship on 18 March 1947. Democratic nominee Marvin Griffin ran unopposed and subsequently won the election.
Democratic primary.
The Democratic primary election was held on 8 September 1948. Candidate Marvin Griffin received a majority of the votes (49.09%), and was thus elected as the nominee for the general election.
Results.
! scope="col" colspan="2" style="width: 15em" |Party
! scope="col" style="width: 17em" |Candidate
! scope="col" style="width: 5em" |Votes
! scope="col" style="width: 3.5em" |%
! colspan="3" style="text-align:right;" | Total votes
General election.
On election day, 2 November 1948, Democratic nominee Marvin Griffin ran unopposed and won the election with 366,289 votes, thereby retaining Democratic control over the office of lieutenant governor. Griffin was sworn in as the 2nd lieutenant governor of Georgia on 3 January 1949.
Results.
! scope="col" colspan="2" style="width: 15em" |Party
! scope="col" style="width: 17em" |Candidate
! scope="col" style="width: 5em" |Votes
! scope="col" style="width: 3.5em" |%
! colspan="3" style="text-align:right;" | Total votes
References.
 ;templatestyles src="Reflist/styles.css" / ;