Caspian pipeline may refer to:
Caspian Pipeline Consortium, an oil pipeline from Kazakhstan to Russia Trans-Caspian Gas Pipeline, a planned natural gas pipeline from Turkmenistan to Azerbaijan Trans-Caspian Oil Pipeline, a proposed oil pipeline from Kazakhstan to Azerbaijan Pre Caspian Pipeline, North Caspian pipeline or Caspian Littoral Gas Pipeline, a planned amendment to the Central Asia–Center gas pipeline system Baku–Tbilisi–Ceyhan pipeline, an oil pipeline from Azerbaijan to Turkey