- DMMI stands for Department of Mines and Mineral Industries (Pennsylvania)
- DMMI stands for Dalby Manor Motor Inn (Australia)
- DMMI stands for Destination Management & Marketing Institute (Destination Marketing Association International)
- DMMI stands for Dennison’s Machinery Movement and Installation (UK)
- DMMI stands for Disciple Maker Ministries International, Inc. (Camdenton, MO)
Abbreviations And Their Meaning