Mustafa Çelebi
| Mustafa Çelebi | |
|---|---|
| Sultan of the Ottoman Empire (claimant) | |
| 1st reign | January 1419 – 1420 |
| Opposing | Mehmed I |
| 2nd reign | January 1421 – May 1422 |
| Opposing | Murad II |
| Born | Unknown |
| Died | May 1422 |
| Spouse | A daughter of Ahmad Jalayir |
| Father | Bayezid I |
| Religion | Sunni Islam |
Mustafa Çelebi (fl. c. 1402 — May 1422), also called Mustafa the Impostor (Turkish: Düzmece Mustafa or Düzme Mustafa), was an Ottoman prince who struggled to gain the throne of the Ottoman Empire in the early 15th century. He ruled parts of Rumelia twice between January 1419 – 1420 and January 1421 – May 1422.