Lahijan () or its variants may refer to:
Iran East Azerbaijan province Lahijan, East Azerbaijan, a village in Tabriz County Lahijan Rural District (Tabriz County), an administrative division of Tabriz County Gilan province Lahijan, a city in Lahijan County Lahijan and Siahkal (electoral district) Lahijan County, an administrative division Kerman province Lahijan, Kerman, a village in Rafsanjan County West Azerbaijan province 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