| Election Name: | 2005 ARMM general election |
| Flag Image: | File:Flag of ARMM.svg |
| Country: | Philippines |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 2001 Autonomous Region in Muslim Mindanao general election |
| Previous Year: | 2001 |
| Next Election: | 2008 Autonomous Region in Muslim Mindanao general election |
| Next Year: | 2008 |
| Election Date: | August 11, 2005 |
| Nominee1: | Zaldy Ampatuan |
| Running Mate1: | Ansaruddin-Abdulmalik Abiong |
| Party1: | Lakas-CMD |
| Popular Vote1: | 594,091 |
| Percentage1: | 63.7% |
| Nominee2: | Mahid Mutilan |
| Running Mate2: | Ismael Abubakar Jr. |
| Party2: | Ompia Party |
| Popular Vote2: | 226,693 |
| Percentage2: | 24.31% |
| Nominee3: | Ibrahim Paglas III |
| Running Mate3: | Hatta Dimaporo |
| Party3: | Liberal Party (Philippines) |
| Popular Vote3: | 110,256 |
| Percentage3: | 11.82% |
| Regional Governor | |
| Before Election: | Parouk Hussin |
| Before Party: | Lakas-CMD |
| After Election: | Zaldy Ampatuan |
| After Party: | Lakas-CMD |
Autonomous Region in Muslim Mindanao general elections were held in the ARMM for the regional governor, vice-governor posts and election of members of the ARMM Regional Legislative Assembly on August 8, 2005. Voting results are listed below.
| Province | District | Assemblyman | Party |
|---|---|---|---|
| Basilan | Lone | Rajam M. Akbar | Lakas-CMD |
| Bonnie Abdulaziz C. Balamo | Lakas-CMD | ||
| Hatimil E. Hassan | Lakas-CMD | ||
| Lanao del Sur | 1st | Zia Alonto Adiong | Lakas-CMD |
| Suhaylah R.P.M. Salic | independent | ||
| Samer M.U. Salic | independent | ||
| 2nd | Saaduddin M. Alauya, Jr. | Lakas-CMD | |
| Yasser A. Balindong | Lakas-CMD | ||
| Hosni B.M.A. Macapodi | independent | ||
| Maguindanao | 1st | Jackson M. Bandila | Lakas-CMD |
| Roonie Q. Sinsuat | Lakas-CMD | ||
| Bongarsa D. Tomawis, Jr. | Lakas-CMD | ||
| 2nd | Umbrah A. Datumanong | Lakas-CMD | |
| Khadafeh G. Mangudadatu | Lakas-CMD | ||
| Pike T. Mentang | Lakas-CMD | ||
| Sulu | 1st | Abraham T. Burahan | Liberal |
| Alhabsi M. Hassan | Lakas-CMD | ||
| Garcia D. Tingkahan | Lakas-CMD | ||
| 2nd | Nashruper T. Daud | Lakas-CMD | |
| Maulana M. Omar | Lakas-CMD | ||
| Nurwiza S. Tulawie | Lakas-CMD | ||
| Tawi-Tawi | Lone | Romel Y. Matba | independent |
| Shameera S. Matolo | Liberal | ||
| Rejie M. Sahali | Lakas-CMD |