Gill may refer to: in biology:
- Gill, a respiratory organ in aquatic organisms
- Gill (mushroom), the papery structures under agaric mushroom caps
in places:
- Gill, Colorado, USA
- Gill, Massachusetts, USA
- Gill, North Yorkshire, England
- Gill, Texas, USA
- Gill (lunar crater)
Gill may also refer to:
- Gill (name), a given name and surname
- Gill (Street Fighter), from the Street Fighter III video games
- Gill (clan), a Jat group and surname
- Gill (unit), a unit of volume
- Gill (automobile), a British microcar
- Gill (software), a vector-image program
- Gill Sans, a sans-serif typeface
- Gill (Kim Possible), a fictional mutant
- Gill, a company that makes clothing designed for sailing
- The Gills is the nickname of Gillingham football club.
