IRL
IRL is most widely recognized as internet slang for "in real life". It also serves as an acronym for an Irish investment fund, a computing language, an academic imaging lab, and a racing league.
Miscellaneous
is In Real Life
International Requirement List
The Icky Racing League
Impotent Racers League
Irrevelent Retirement League
Community
Governmental
Institute on Religious Life
Intermediate Range Lander
Initiating Reference Letter
Interface Requirement List
Academic & Science
Internet Research Lab
Imaging Research Laboratory
Industrial Research Ltd
Industrial Research Limited
Computing
Internet
Business
India Resources Ltd
Independent Records Ltd
Investment Readiness Level
Interscape Records Ltd
Minera IRL Limited (de-listed)
Irish Investment Fund, Inc.