Helical may refer to:
* Helix, the mathematical concept for the shape
* Helical engine, a proposed spacecraft propulsion drive
* Helical spring, a coilspring
* Helical plc, a British property company, once a maker of steel bar stock
* Helicoil, a mechanical thread repairing insert
* H-el-ical//, stage name for Hikaru, Japanese singer
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