''Cordon sanitaire'' () is French for "sanitary cordon". It may refer to:
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Cordon sanitaire (medicine)
A ''cordon sanitaire'' (, French for "sanitary cordon") is the restriction of movement of people into or out of a defined geographic area, such as a community, region, or country. The term originally denoted a barrier used to stop the spread of ...
, a cordon that quarantines an area during an infectious disease outbreak
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Cordon sanitaire (politics)
In politics, ''cordon sanitaire'' is the refusal of one political party to cooperate with certain other political parties. Often this is because the targeted party has strategies or an ideology perceived as unacceptable or radical and extremis ...
, refusal to cooperate with certain political parties
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Cordon sanitaire (international relations)
The seminal use of ''cordon sanitaire'' (or "sanitary cordon") as a metaphor for ideological containment referred to "the system of alliances instituted by France in post-World War I Europe that stretched from Finland to the Balkans" and which ...
, a French foreign policy of containing Soviet and German influence in interwar Europe
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Externalization (migration), specifically efforts to enlist third countries to prevent asylum seekers from arriving at a border
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