| Honorific Prefix: | Amir |
| Sajjad Kouchaki | |
| Birth Name: | Sajjad Kouchaki Badelani |
| Allegiance: | Iran |
| Branch: | Navy |
| Rank: | Commodore |
| Battles: | Iran–Iraq War |
Sajjad Kouchaki (Persian: سجاد کوچکی) is an Iranian retired military officer who served as the Commander of the Islamic Republic of Iran Navy from 2005 to 2007.
According to an analysis published by The Washington Institute for Near East Policy, Kouchaki was "one of the architects of the country’s naval doctrine".