Posted in Business & Finance, Government & Military, Organizations, Science DPTI stands for Department of Planning, Transport & Infrastructure (Adelaide, South Australia) DPTI stands for Drayer Physical Therapy Institute (various locations) DPTI stands for Diritto e Pratica Tributaria Internazionale (Italian: International Tax Law and Practice) DPTI stands for Diastolic Pressure-Time Index DPTI stands for Dalton Pilarcik Technologies, Inc. (Fayette City, PA)