Tier or tiers may refer to:
Groupings
- Organizational, a ranking relationship involving order in a collective and its subordinate components
- Ranking, a relationship involving order between a set of observations or variables
- Data center tiers, Telecommunications Infrastructure Standard for Data Centers, which defines a level in terms of "tiers"
- Multitier architecture, a tier-based system in software architecture
- Tier (emission standard), rankings of emission standards in the US
- Standings or rankings, listings which compare sports teams or individuals, institutions, nations, companies, or other entities by ranking them in order of ability or achievement
- Tier list, a list of playable characters ranked by their abilities in competitive settings
- Tiers of suppliers in a supply chain
Other uses
- A row of moorings or anchorages for ships
- Taiwan Institute of Economic Research, one of two major economic research institutes in Taiwan
- Tier, a fictional character in Marvel Comics; son of Hrimhari and Wolfsbane
- "Tier" (song), by German band Rammstein
- Tier Mobility, a shared e-scooter operator company from Germany
- Tiers, a variant of the surname Thiers
- Tiers, a French term for tremissis, coins of the Roman and Merovingian periods
- The Tiers, a 19th-century name for the Adelaide Hills, South Australia
- Tiers, South Tyrol, a municipality in Italy
See also
- Northern Tier (disambiguation)
- Tier 1 (disambiguation)
- Tier 2 (disambiguation)
- Tier 3 (disambiguation)
- Tier 4 (disambiguation)
- World of Tiers, a series of science fiction novels by American writer Philip José Farmer
- All pages with titles containing Tier
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