| Country: | Portugal |
| Type: | presidential |
| Previous Election: | 1935 Portuguese presidential election |
| Previous Year: | 1935 |
| Next Election: | 1949 Portuguese presidential election |
| Next Year: | 1949 |
| Election Date: | 8 February 1942 |
| Turnout: | 91.12% (6.83pp) |
| Image1: | Carmona.jpg |
| Candidate1: | Óscar Carmona |
| Party1: | National Union (Portugal) |
| Percentage1: | 90.7% |
| President | |
| Before Election: | Óscar Carmona |
| Before Party: | National Union (Portugal) |
| After Election: | Óscar Carmona |
| After Party: | National Union (Portugal) |
Presidential elections were held in Portugal on 8 February 1942. Óscar Carmona ran unopposed and was reelected for a third term.