| Election Name: | 2001 Tehran by-election |
| Country: | Iran |
| Type: | By-election |
| Election Date: | 8 June 2001 |
| Seats For Election: | Triggered by resignation of Akbar Hashemi Rafsanjani |
| Previous Election: | Iranian legislative election, 2000 (Tehran, Rey, Shemiranat and Eslamshahr) |
| Previous Year: | 2000 |
| Next Election: | Iranian legislative election, 2004 (Tehran, Rey, Shemiranat and Eslamshahr) |
| Next Year: | 2004 |
| Image1: | Mahjoub by MehrNewsAgency.jpg |
| Image1 Size: | 100px |
| Candidate1: | Alireza Mahjoub |
| Popular Vote1: | 657,872 |
| Percentage1: | 26.30% |
| Colour1: | no |
| Image2 Size: | 100px |
| Candidate2: | Mohammad-Reza Rahchamani |
| Popular Vote2: | 445,834 |
| Percentage2: | 17.82% |
| Colour2: | no |
| Image4: | Montajabnia by MehrNewsAgency.jpg |
| Image4 Size: | 100px |
| Candidate4: | Rasoul Montajabnia |
| Party4: | ACC |
| Popular Vote4: | 342,773 |
| Percentage4: | 13.70% |
| Colour4: | no |
| Image5: | Abbaspour by MehrNewsAgency.jpg |
| Image5 Size: | 100px |
| Candidate5: | Ali Abbaspour |
| Party5: | ICP |
| Popular Vote5: | 277,510 |
| Percentage5: | 11.09% |
| Colour5: | no |
| MP | |
| Posttitle: | Subsequent MP |
| After Election: | Alireza Mahjoub |
A by-election for the Islamic Consultative Assembly's constituency Tehran, Rey, Shemiranat and Eslamshahr was held on 8 June 2001, to fill the vacancy caused by resignation of Akbar Hashemi Rafsanjani after he had won in the election held the previous year. The voters in Tehran cast their ballots along with the 2001 Iranian presidential election.
Alireza Mahjoub of the Worker House won the election.
The top nine candidates who ran for the seats, were:
| Candidate | Party | Votes | % | ||
|---|---|---|---|---|---|
| 1 | Alireza Mahjoub | Worker House | 657,872 | 26.30 | |
| 2 | Mohammad-Reza Rahchamani | Islamic Iran Solidarity Party | 445,834 | 17.82 | |
| 3 | Rasoul Montajabnia | Association of Combatant Clerics | 342,773 | 13.70 | |
| 4 | Ali Abbaspour | Islamic Coalition Party | 277,510 | 11.09 | |
| 5 | Hadi Khatami | Combatant Clergy Association | 226,382 | 9.05 | |
| 6 | Rafat Bayat | Zeynab Society | 126,030 | 5.03 | |
| 7 | Ali Jazani-Dorcheh | — | 66,693 | 2.66 | |
| 8 | Mehraban Ganji | — | 34,047 | 1.36 | |
| 9 | Arash Romina | — | 19,133 | 0.07 | |
| Total Votes | 2,501,004 | 100 | |||
| Source: IRNA | |||||