OCCT may refer to:
*
Oceanic-Creations Composite Technology, a process for producing a carbon fibre based construction material
*
OCC Transport
Off Campus College Transport, Inc., or OCCT, is Binghamton University's student driven, managed, and operated bus service for Binghamton University students, faculty, and staff. OCCT offers "safe, reliable, convenient, consistent, and courteous tr ...
, at the Binghamton University
*
Oklahoma Core Curriculum Tests, a standardized test
*
Open CASCADE Technology
Open Cascade Technology (OCCT), formerly called ''CAS.CADE'', is an open-source software development platform for 3D CAD, CAM, CAE, etc. that is developed and supported by Open Cascade SAS.
OCCT is a full-scale B-Rep (Boundary representation ...
, a software library
{{disambig
* Over Clock Checking Tool