| Term | Definition / Meaning / Stand for |
| IOL |
International Online Learning |
| ISL |
International Sign Language |
| ISO |
International Organization for Standardization |
| JAP |
Japanese Language Proficiency Test (JLPT) |
| JBA |
Japanese Business Association |
| JBL |
Japanese Business Language |
| JCR |
Japanese Cultural Resource |
| JEC |
Japanese Education Curriculum |
| JES |
Journal of Educational Studies |
| JFS |
Japanese for Specific Purposes |
| JFT |
Japanese for Travelers |
| JLS |
Japanese Language School |
| JLT |
Japanese Language Test |
| JNN |
Japanese National Network |
| JSL |
Japanese Sign Language |
| JSS |
Japanese Studies Society |
| JTE |
Japanese Teacher of English |
| JUS |
Journal of Understudied Scripts |
| KAC |
Korean Arts Council |
| KASC |
Korean-American Studies Conference |
| KCSC |
Korean Cultural and Study Center |
| KFC |
Korean Foreign Culture |
| KLIC |
Korean Language Intensive Course |
| KLPT |
Korean Language Proficiency Test |
| KLT |
Korean Language Test |
| KNYA |
Korean National Youth Academy |
| KSM |
Korean Studies Master |
| KSS |
Korean Studies Society |
| KTA |
Korean Translation Association |
| L2 |
Second Language |
| LAC |
Language Acquisition Center |
| LCA |
Language and Culture Acquisition |
| LCA |
Linguistic Cultural Analysis |
| LDS |
Language Development Studies |
| LFE |
Language for Employment |
| LHS |
Language Heritage Studies |
| LLE |
Language and Literacy Education |
| LLP |
Lifelong Learning Programme |
| LML |
Language and Multicultural Learning |
| LNE |
Linguistics and New Education |
| LPS |
Linguistic Proficiency Standards |
| LSS |
Language Studies and Support |
| LST |
Language Studies Techniques |
| LTP |
Language Training Program |
| LTS |
Language Teaching Strategies |
| LTS |
Language Testing Service |
| M.A. |
Master of Arts |
| MCE |
Multicultural Education |
| MCI |
Multicultural Integration |
| MCL |
Multicultural Linguistics |
| MCS |
Multicultural Studies |
| MFL |
Modern Foreign Languages |
| MIA |
Modern International Art |
| MLA |
Modern Language Association |
| MLC |
Multilingual Learning Communities |
| MLE |
Multilingual Education |
| MLF |
Multilingual Films |
| MLT |
Multilingualism and Translation |
| MPA |
Multicultural Public Affairs |
| MPS |
Multicultural Public Studies |
| MSC |
Master of Science (in Language or Cultural Studies) |
| MTC |
Multicultural Translation Center |
| MTC |
Multilingual Textual Communication |
| MTE |
Multilingual Teaching Environment |
| NCC |
National Cultural Center |
| NCM |
National Culture Ministry |
| NCTE |
National Council of Teachers of English |
| NEA |
National Education Association |
| NESA |
National Educational Standards Association |
| NFA |
National Foreign Affairs |