| Election Name: | 1945 Danish Folketing election |
| Country: | Kingdom of Denmark |
| Previous Election: | 1943 |
| Next Election: | 1947 |
| Seats For Election: | All 149 seats in the Folketing |
| Majority Seats: | 75 |
| Election Date: | 30 October 1945 |
| Leader1: | Hans Hedtoft |
| Party1: | Social Democrats (Denmark) |
| Last Election1: | 66 |
| Seats1: | 48 |
| Percentage1: | 32.78 |
| Leader2: | Knud Kristensen |
| Party2: | Venstre (Denmark) |
| Last Election2: | 28 |
| Seats2: | 38 |
| Percentage2: | 23.38 |
| Leader3: | Christmas Møller |
| Party3: | Conservative People's Party (Denmark) |
| Last Election3: | 31 |
| Seats3: | 26 |
| Percentage3: | 18.24 |
| Leader4: | Aksel Larsen |
| Party4: | Communist Party of Denmark |
| Last Election4: | new |
| Seats4: | 18 |
| Percentage4: | 12.46 |
| Leader5: | Jørgen Jørgensen |
| Party5: | Danish Social Liberal Party |
| Last Election5: | 13 |
| Seats5: | 11 |
| Percentage5: | 8.15 |
| Leader6: | Arne Sørensen |
| Party6: | Danish Unity |
| Last Election6: | 3 |
| Seats6: | 4 |
| Percentage6: | 3.11 |
| Leader7: | Oluf Pedersen |
| Party7: | Justice Party of Denmark |
| Last Election7: | 2 |
| Seats7: | 3 |
| Percentage7: | 1.88 |
| Heading8: | Elected in the Faroe Islands |
| Leader8: | Jóannes Patursson |
| Party8: | Independent (F) |
| Last Election8: | 1 |
| Seats8: | 1 |
| Percentage8: | 46.19 |
| Prime Minister | |
| Posttitle: | Prime Minister-elect |
| Before Election: | Vilhelm Buhl |
| Before Party: | Social Democrats (Denmark) |
| After Election: | Knud Kristensen |
| After Party: | Venstre (Denmark) |
| Map: | Folketing1945.svg |
Folketing elections were held alongside Landsting elections in Denmark on 30 October 1945,[1] except in the Faroe Islands where they were held on 20 November. The Social Democratic Party remained the largest in the Folketing, with 48 of the 149 seats. Voter turnout was 86% in Denmark proper and 57% in the Faroes.[2]