OSTP Views 8 meanings found OSTP most prominently stands for the U.S. Office of Science and Technology Policy, while it also appears in state education testing programs and academic discussions of transition probabilities. Miscellaneous Operating Spiritual Team Player Oklahoma State Testing Program Onsite Sewage Treatment Program Community Oklahoma School Testing Program Governmental Orbiting System Test Plan Academic & Science Office of Science and Technology Policy One Step Transition Probability Computing Office of Science Technology Policy