Saline may refer to:
- Salinity, the salt content of a solution
- Saline water, water containing significant concentration of salts
- Soil salinity, salt content of soil
- Saline seep, seep of saline water
- Saline (medicine), a liquid with salt content to match the human body
- Saline flush, a method of clearing out feeding tubes and intravenous lines
- Borate buffered saline, a buffer used in some biochemical techniques
- Phosphate buffered saline, a buffer solution used in biological research
- Tris-buffered saline, a buffer used in some biochemical techniques
- Saline, an historical term (esp. US) for a salt works or saltern
- SalineOS, a operating system based on Debian Linux.
- People
- Carol Saline, American journalist, broadcaster, author and public speaker
- Places
- Saline River (disambiguation), several rivers
- Saline Island, an islet in Grenada
- Saline di Margherita di Savoia, a salt marsh of Apulia, Italy
- Saline, Fife, a village in Fife, Scotland
- Saline County (disambiguation), several counties in the United States
- Saline Township (disambiguation), several townships in the United States
- Saline Range, a mountain range in California, United States
- Saline Valley, California, a valley in California, United States
- Saline Landing, Illinois, an unincorporated community of Hardin County, Illinois, United States
- Saline City, Indiana, an unincorporated town of Clay County, Indiana, United States
- Saline, Louisiana, a village of Bienville Parish, Louisiana, United States
- Saline, Michigan, a city of Washtenaw County, Michigan, United States
- See also
- Salina (disambiguation)