| Country: | Comoros |
| Flag Year: | 1978 |
| Type: | presidential |
| Previous Election: | 1978 Comorian presidential election |
| Previous Year: | 1978 |
| Election Date: | 30 September 1984 |
| Next Election: | 1990 Comorian presidential election |
| Next Year: | 1990 |
| Image1: | Ahmed Abdallah(cropped).png |
| Nominee1: | Ahmed Abdallah |
| Party1: | Comorian Union for Progress |
| Percentage1: | 99.4% |
| President | |
| Before Election: | Ahmed Abdallah |
| Before Party: | Comorian Union for Progress |
| Posttitle: | Elected President |
| After Election: | Ahmed Abdallah |
| After Party: | Comorian Union for Progress |
Presidential elections were held in the Comoros on 30 September 1984. Incumbent President Ahmed Abdallah of the Comorian Union for Progress (the sole legal party) was the only candidate, and received the support of 99.4% of voters.[1]