- IANAL
- IAP
- IAS
- IASC
- IB
- IBOR
- IBR
- IBRC
- IBRD
- ICAEW
- ICAI
- ICANZ
- Icarus factor
- ICAS
- ICC
- iceing
- ICSA
- ICT
- IDA
- idea hamster
- idea practitioner
- ideation
- Identrus
- idle time
- IDR
- IEA
- IFA
- IFC
- IHT
- IIB
- ILG
- illegal parking
- illiquid
- IMA
- image advertising
- imaginization
- IMAP
- IMF
- IMHO
- immediate holding company
- IMNSHO
- IMO
- impact day
- impaired capital
- impairment of capital
- imperfect competition
- implicit knowledge
- import
- import duty
- import penetration
- import surcharge
- impression
- imprest account
- improvement curve
- imputation system
- in box
- in the money
- in tray
- in-box learning
- in-house newsletter
- in-service training
- inc
- incentive plan
- incentive program
- incentive stock option
- incestuous share dealing
- inchoate instrument
- incidence of tax
- income
- income bond
- income distribution
- income dividend
- income gearing
- income redistribution
- income shares
- income smoothing
- income stock
- income stream
- income tax
- income tax allowance
- income tax return
- income unit
- income yield
- income-linked gilt
- incomes policy
- incorporation
- incorporeal chattels
- incrementalism
- indaba
- indemnity
- indemnity insurance
- indenture
- independent authenticator
- independent service organization
- index
- index arbitrage
- index fund
- index futures
- index number
- index tracker
- index tracking
- index-linked bond
- index-linked gilt
- index-linked savings certificate
- indexation
- indexed portfolio
- indicated dividend
- indicated yield
- indication price
- indicative price
- indirect channel
- indirect cost
- indirect discrimination
- indirect labor
- individual retirement account
- Individual Savings Account
- induction
- industrial action
- industrial advertising
- Industrial Arbitration Court
- industrial award
- industrial cooperative
- industrial court
- industrial democracy
- industrial dispute
- industrial engineering
- industrial espionage
- industrial goods
- industrial goods marketing
- industrial housekeeping
- industrial market research
- industrial marketing
- industrial production
- industrial psychology
- Industrial Relations Commission
- Industrial Relations Court of Australia
- industrial revenue bond
- industrial services marketing
- industrial-sector cycle
- industrialization
- industry rules
- ineligible bills
- inertia selling
- infant industry
- inference
- infinite capacity plan
- infinite loading
- inflation
- inflation accounting
- inflation rate
- inflation tax
- inflation-proof pension
- inflation-proof security
- inflationary
- inflationary gap
- inflationary spiral
- info rate
- Infocomm Development Authority
- infoholic
- infomatics
- infomediary
- infomercial
- informal economy
- information and communications technologies
- information architecture
- information management
- information overload
- information space
- infotainment
- infrastructure
- initial offer
- initial public offering
- initial yield
- injunction
- inland bill
- Inland Revenue
- Inland Revenue Department
- innovation
- inpatriation
- input tax
- input tax credit
- insert
- insertion rate
- inside information
- inside quote
- insider
- insider dealing
- insider trading
- insolvency
- insourcing
- installment
- installment activity statement
- installment credit
- installment loan
- installment plan
- instant access account
- instant messaging
- Institute of Chartered Accountants in England and Wales
- Institute of Chartered Accountants in Ireland
- Institute of Chartered Accountants of New Zealand
- Institute of Chartered Accountants of Scotland
- Institute of Chartered Secretaries and Administrators
- Institute of Directors
- Institute of Financial Accountants
- Institute of Financial Services
- Institute of Insurance Brokers
- institutional buyout
- institutional investor
- institutional survey
- instrument
- insurable risk
- insurance
- Insurance and Superannuation Commission
- insurance broker
- Insurance Brokers Registration Council
- Insurance Council of Australia
- insurance intermediary
- insurance policy
- insurance premium tax
- insured
- insured account
- insurer
- intangible asset
- integrated implementation model
- Integrated Services Digital Network
- intellectual assets
- intellectual capital
- intellectual property
- intelligence test
- intelligent e-mail
- Inter Bank Offered Rate
- Inter Bank Rate
- interactive
- interactive planning
- interchange
- interchange fee
- interchangeable bond
- intercommodity spread
- intercompany pricing
- interest
- interest arbitrage
- interest assumption
- interest cover
- interest in possession trust
- interest rate
- interest rate cap
- interest rate effect
- interest rate exposure
- interest rate floor
- interest rate future
- interest rate guarantee
- interest rate option
- interest rate swap
- interest sensitive
- interest-elastic investment
- interest-inelastic investment
- interest-only mortgage
- interface
- interfirm cooperation
- interim certificate
- interim dividend
- interim financial statement
- interim financing
- interim statement
- intermarket spread
- intermediary
- intermediate goods
- intern
- internal audit
- internal communication
- internal consultant
- internal consulting
- internal cost analysis
- internal differentiation analysis
- internal growth
- internal marketing
- internal rate of return
- internal recruitment
- Internal Revenue Code
- Internal Revenue Service
- internal versus external sourcing
- International Accounting Standards Board
- International Accounting Standards Committee
- International Bank for Reconstruction and Development
- International Centre for Settlement of Investment Disputes
- International Chamber of Commerce
- International Depository Receipt
- International Development Association
- International Energy Authority
- International Finance Corporation
- international fund
- International Fund for Agricultural Development
- international management
- International Monetary Fund
- International Organization of Securities Commissions
- International Securities Market Association
- International Union of Credit and Investment Insurers
- Internesia
- Internet
- Internet access provider
- Internet commerce
- Internet marketing
- Internet merchant
- Internet message access protocol
- Internet payment system
- Internet protocol
- Internet security
- Internet service provider
- interoperability
- interpersonal communication
- interpersonal skills
- interquartile range
- interstate commerce
- interstitial
- intervention
- intervention mechanism
- interviewer bias
- interviewing
- intranet
- intrapreneur
- intrastate commerce
- intrinsic value
- introducing broker
- intuitive management
- inventory
- inventory record
- inventory turnover
- inverse floating rate note
- inverted doughnut
- inverted market
- inverted yield curve
- investment
- investment analyst
- investment appraisal
- investment bank
- investment bill
- investment bond
- investment borrowing
- investment center
- investment club
- investment committee
- investment company
- investment dealer
- investment fund
- investment management agreement
- Investment Management Association
- investment manager
- investment portfolio
- investment properties
- investment revaluation reserve
- investment tax credit
- investment trust
- investomer
- investor
- investor relations research
- invisible asset
- invisible earnings
- invisible exports
- invisible imports
- invisible trade
- invisibles
- invitation to tender
- invoice
- invoice date
- invoice discounting
- invoice register
- invoicing
- involuntary liquidation preference
- inward investment
- IOD
- IOSCO
- IOU
- IOW
- IP
- IP address
- IPO
- IRA
- IRCA
- IRD
- IRD number
- IRL
- IRR
- irredeemable bond
- irrevocable letter of credit
- irritainment
- IRS
- ISA
- ISC
- ISCID
- ISDA
- ISDN
- ISDN line
- Ishikawa diagram
- ISMA
- ISO
- ISO 14000
- ISO 14001
- ISO 9000
- ISP
- issuance costs
- issue
- issue by tender
- Issue Department
- issue price
- issued capital
- issued price
- issued share capital
- issued shares
- issuer
- issuer bid
- issues management
- issuing bank
- issuing house
- IT
- itchy finger syndrome
- item
- item non-response