Coil
- Alison Coil
- Basket weaving
- Chemical oxygen iodine laser
- Coil (album)
- Coil (band)
- Coil (chemistry)
- Coil (hieroglyph)
- Coil (video game)
- Coil spring
- Coiled tubing
- Coiling
- Coiling (pottery)
- Electromagnetic coil
- Helix
- Helix (disambiguation)
- Ignition coil
- Induction coil
- Inductor
- Intrauterine device
- Liam Mac Cóil
- Loop (disambiguation)
- Magnemite
- Spiral
- Spiral (disambiguation)
- The Coil
- Watershed (Opeth album)
- Worm (web serial)