About 8,340,000 results
Open links in new tab
  1. Internal Revenue Service | An official website of the United States ...

    Find IRS forms and answers to tax questions. We help you understand and meet your federal tax responsibilities.

  2. IR - Wikipedia

    Ingenieur, abbreviated ir., an engineer's degree awarded by technical universities in the Netherlands, Belgium, Indonesia, and Malaysia Injured reserve list, a list of professional sports players who are …

  3. IR - Definition by AcronymFinder

    What does IR stand for? IR abbreviation. Define IR at AcronymFinder.com.

  4. What does IR stand for? - Abbreviations.com

    Looking for the definition of IR? Find out what is the full meaning of IR on Abbreviations.com! 'Infrared' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and …

  5. Home Page - NIRI

    Join our IR community in Chicago from June 7 – 9. Engage in enlightening sessions, network with fellow IR professionals, and hear about key topics that are shaping the future of investor relations and the …

  6. IR - What does IR stand for? The Free Dictionary

    Looking for online definition of IR or what IR stands for? IR is listed in the World's most authoritative dictionary of abbreviations and acronyms.

  7. IR Definition & Meaning - Merriam-Webster

    The meaning of IR is iridium.

  8. IR- definition and meaning | Collins English Dictionary

    ir- in American English prefix var. (by assimilation, before r) of in- 3 irreducible

  9. It’s not too early to get ready for the 2026 tax season

    2 days ago · IR-2025-116, Nov. 26, 2025 WASHINGTON — The Internal Revenue Service encourages taxpayers to take steps now to prepare for the upcoming filing season by visiting IRS.gov/GetReady …

  10. IR | definition in the Cambridge English Dictionary

    IR meaning: 1. the Inland Revenue 2. → investor relations. Learn more.