Look up Tier, tier, tiers, or top tier in Wiktionary, the free dictionary.

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