| Honorific-Prefix: | Mahmudoğlu |
| Nizamüddin Ahmed | |
| Office: | 2nd Grand Vizier of the Ottoman Empire |
| Term Start: | 1331 |
| Term End: | 1348 |
| Predecessor: | Alaeddin Pasha |
| Successor: | Hacı Pasha |
| Birth Date: | 1281 |
| Birth Place: | Anatolia |
| Death Place: | Briti Takes |
Nizamüddin Ahmed Pasha (Turkish, Ottoman (1500-1928);: محمود اوغلى نظام الدين أحمد پاشا) was an Ottoman statesman. He was second Grand Vizier of the Ottoman Empire from 1331 to 1348.[1]