'''Foss''' or '''FOSS''' may refer to: {{TOC right}}
==Companies== *Foss A/S, a Danish analytical instrument company *Foss Brewery, a former brewery in Oslo, Norway *Foss Maritime, a tugboat and shipping company
==Historic houses== *Foss House (New Brighton, Minnesota), United States *Foss and Wells House, Jordan, Minnesota, United States *Horatio G. Foss House, Auburn, Maine, United States
==People== *Foss (surname) *Foss Shanahan (1910–1964), New Zealand diplomat *Foss Westcott (1863–1949), English bishop
==Places== *Foss Dyke, a canal in Lincolnshire, England *Foss-Eikeland, a village in Sandnes, Norway *River Foss, a river in North Yorkshire, England, U.K.
===United States=== *Foss, Oklahoma, a town **Foss State Park *Foss, Oregon, an unincorporated community *Foss Glacier, a glacier on Mount Hinman, Washington *Foss Peak, Tatoosh Range, Washington *Foss River, a river in Washington
==Other uses== * The Forum of Small States, grouping of countries at the United Nations *Foss (band), an El Paso, Texas-based rock band *Foss (cat), the pet of Edward Lear *Free and open-source software **FOSS Movement in India (1990s–2000s), a campaign in India to promote Free and Open Source Software ***FOSS.IN (2001–2012), an annual FOSS conference in Bangalore, India *Full Option Science System (FOSS), a science curriculum *Il-Foss, a football ground in Ħaż-Żabbar, Malta *{{USS|Foss|DE-59}}, a US Navy ship *Foss Gly, a character from Clive Cussler novels ''Night Probe!'' and ''Cyclops'' * Foss, another term for a waterfall
==See also== *{{in title|Foss}} *Fosse (disambiguation) *Fosses (disambiguation)
{{Disambiguation|geo|given name}}