| Unit Name: | 4th Marine Brigade |
| Native Name: | Persian: تیپ چهارم تفنگداران دریایی |
| Allegiance: | Supreme Leader of Iran |
| Branch: | Navy |
| Type: | Takavar marines |
| Role: | Special operations |
| Size: | Brigade |
| Command Structure: | Artesh |
| Garrison: | Anzali, Gilan Province |
| Current Commander: | Captain Afshin Rezaei Haddad[1] |
4th Marine Imam Reza Brigade (Persian: تیپ چهارم تفنگداران دریایی امام رضا) is a marines brigade of Islamic Republic of Iran Navy based in Anzali, Gilan Province.[2]