| Election Name: | 1971 South Vietnamese presidential election |
| Country: | South Vietnam |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1967 South Vietnamese presidential election |
| Previous Year: | 1967 |
| Election Date: | 2 October 1971 |
| Registered: | 7,192,660 |
| Turnout: | 87.97% |
| Image1: | Lt. Gen. Nguyễn Văn Thiệu at Cam Ranh Base, October 26, 1966.jpg |
| Nominee1: | Nguyễn Văn Thiệu |
| Party1: | NSDF |
| Running Mate1: | Trần Văn Hương |
| Popular Vote1: | 5,971,114 |
| Percentage1: | 100% |
| Before Election: | Nguyễn Văn Thiệu |
| Before Party: | NSDF |
| After Election: | Nguyễn Văn Thiệu |
| After Party: | NSDF |
| President | |
Presidential elections were held in South Vietnam on 2 October 1971.[1] After the opposition candidates Dương Văn Minh and Nguyễn Cao Kỳ withdrew their candidacies (most opposition figures had already been banned from the ballot), incumbent President Nguyễn Văn Thiệu was the only candidate, receiving 100% of the vote.[2] [3] Thiệu's victory in this election officially marked his second term in office. They were the last presidential elections held in South Vietnam.