Junttan Oy is a Finnish company that designs and manufactures hydraulic piling equipment.

The Junttan product range consists of pile driving rigs, multipurpose piling and drilling rigs, as well as hydraulic impact hammers, rotary heads, and power packs.

The roots of Junttan date back to the 1960s and a Finnish foundation company called Savon Varvi.

Junttan was founded in 1976 by Pentti Heinonen and the first hydraulic piling rig was built in 1979.