IBC: Investment Banking Club
IBS: International Business Society
IC: Ithaca College
ICE: International Clinical Excursions
IDWC: Inter-cultural Dialogue for World Citizens
IEEE: Institute of Electrical and Electronics Engineers
IFC: Inter-Fraternity Council
IGC: Inter Greek Council
IIA: Institute of Internal Auditors
IIT: Illinois Institute of Technology
IJM: International Justice Mission
IMC: International Medicine Club
Inc.: Incorporated
INCOSE: International Council On Systems Engineering
INFORMS: Institute for Operations Research and the Management Sciences
IOM: Institute of Medicine
IPFW: Indiana University-Purdue University Fort Wayne
IRO: International Relations Organization
ISAC: Interfaith Social Action Coalition
ISC: Inter-Sorority Council
ISI: Institute for Scientific Information
ISI: International Students Inc.
ISM: Institute for Supply Management
ISOH: Into School, Out of Hunger
ISU: Idaho State University
ISU: Illinois State University
ISU: Indiana State University
ISU: Iowa State University
ISV: International Student Volunteers
IU: Indiana University
IUB: Indiana University Bloomington
IUP: Indiana University of Pennsylvania
IUPUI: Indiana University-Purdue University Indianapolis
IVCF: InterVarsity Christian Fellowship