Tier

TIER may refer to:

• Taiwan Institute of Economic Research, one of two major economic research institutes in Taiwan

Tier may refer to:

• a layer or ranking or classification-group in any real or imagined hierarchy
  • a layer in a multitiered software architecture
  • tier (emission standard), one of a set of standards in the United States for vehicle emissions
  • data center tiers, availability levels (called tiers) of data centers in a thorough, quantifiable manner
  • A level in a sports league system
• A group of cable networks offered bundled together to potential subscribers, rather than separately
• Tier (song), by German band Rammstein