Posted in Engineering, Government & Military ACTR stands for Actuator ACTR stands for American Council of Teachers of Russian ACT-R stands for Adaptive Control of Thought-Rational (cognitive theory) ACTR stands for Association for Canadian Theatre Research ACTR stands for A Christmas To Remember ACTR stands for American Consulting Technology and Research (Provo, UT) ACT-R stands for Adaptive Character of Thought- Rational ACTR stands for Assistant Contract Technical Representative (NMCI liaison)