Lahijan (Persian: لاهیجان) or its variants may refer to:
Iran
editEast Azerbaijan province
edit- Lahijan, East Azerbaijan, a village in Tabriz County
- Lahijan Rural District (Tabriz County), an administrative division of Tabriz County
Gilan province
edit- Lahijan, a city in Lahijan County
- Lahijan and Siahkal (electoral district)
- Lahijan County, an administrative division
Kerman province
edit- Lahijan, Kerman, a village in Rafsanjan County
West Azerbaijan province
edit- Lahijan Rural District (Piranshahr County), an administrative division of Piranshahr County
- Lahijan-e Gharbi Rural District, an administrative division of Piranshahr County
- Lahijan-e Sharqi Rural District, an administrative division of Piranshahr County