EIR

EIR may refer to:

• Effective interest rate, a banking term
• Entrepreneur In Residence or Executive In Residence, a term in venture capital and business education
• Environmental Information Regulations 2004, a UK Statutory Instrument
• Equipment Identity Register, in a Network Switching Subsystem
• Extended information rate, burstable bandwidth in a Frame Relay network
• Establishment Inspection Report, the result of an investigation by the US FDA.
• Environmental Impact Report, see Environmental impact assessment
• Executive Intelligence Review, the flagship publication of the LaRouche movement
• Kodak Ektachrome Professional Infrared/EIR film, a type of Color Infrared film
• Ethniko Idryma Radiofonias, the National Radio Foundation of Greece
• East Indian Railway Company, introduced railways to eastern and northern India, later known as East Indian Railway (EIR)
• East Indian rosewood, one of the common names for Dalbergia latifolia and its hardwood

Eir may refer to

• Eir, a goddess in Norse mythology
• Eir (telecommunications), a major provider of telecommunications in Ireland
• Eir, a Spivak pronoun
• Eir, a character from the mobile video game Fire Emblem Heroes
• Eir Aoi, Japanese singer