Hasanlu is an archaeological site near Lake Urmia, Iran.
Hasanlu () may also refer to various places in Iran: Hasanlu, Ardabil Hasanlu, East Azerbaijan Hasanlu, Naqadeh, West Azerbaijan Province Hasanlu, Oshnavieh, West Azerbaijan Province Hasanlu, Shahin Dezh, West Azerbaijan Province Hasanlu, Urmia, West Azerbaijan Province Hasanlu, Zanjan Hasanlu Rural District, in West Azerbaijan Province