NCOLCTL comprises 18 member language teaching associations that represent individual languages or geographically defined language groups. Below is a list of these member organizations. Clicking on the association’s acronym will link you to the organization’s website (or, if they do not yet have a website, more detailed information about this organization).
| AATA | American Association of Teachers of Arabic |
| AATK | American Association of Teachers of Korean |
| AATSEEL | American Association of Teachers of Slavic and East European Languages |
| AATT | American Association of Teachers of Turkic Languages |
| ACTR | American Council of Teachers of Russian |
| ALTA | African Languages Teachers Association |
| AATJ | American Association of Teachers of Japanese |
| CLA | Cantonese Language Association |
| CLASS | Chinese Language Association for Secondary-Elementary Schools |
| CLTA | Chinese Language Teachers Association |
| COTSEAL | Council of Teachers of Southeast Asia Languages |
| NAACLT | North American Association for Celtic Language Teachers |
| IATC | International Assosiation of Teachers of Czechs |
| AATMG | American Association of Teachers of Modern Greek |
| NAPH | National Association of Professors of Hebrew |
| NASILP | National Association of Self-Instructional Language Programs |
| SALTA | South Asian Language Teachers Association |
| COTI | The Consortium for the Teaching of Indonesian |
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