| Siyazan | |
| Settlement Type: | City & Municipality |
| Native Name: | Siyəzən |
| Pushpin Map: | Azerbaijan |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Azerbaijan |
| Subdivision Type1: | District |
| Subdivision Name1: | Siyazan |
| Established Title: | Founded |
| Established Date: | 1954 |
| Area Total Km2: | 759 |
| Population As Of: | 2010 |
| Population Total: | 25213 |
| Population Footnotes: | [1] |
| Population Density Km2: | auto |
| Timezone: | AZT |
| Utc Offset: | +4 |
| Coordinates: | 41.0761°N 49.1139°W |
| Elevation M: | 55 |
| Area Code: | +994 0190 |
| Postal Code Type: | Postal code |
| Postal Code: | AZ5300 |
| Registration Plate: | 53 |
Siyazan (Azerbaijani: Siyəzən; Tat: Siyəzən) is a city, municipality and the capital of the Siyazan District of Azerbaijan. It has a population of 24,900. The city's name is said to be derived from Persian, meaning "White Women", a reference to the original population of Tats. Another explanation links the name with the Persian word siyah, meaning "black".