OSD

OSD may refer to:

==Science and medicine== Ocean Science Discussions, the discussion and review section of the journal Ocean Science Optimal shape design, a part of the field of optimal control theory Oral sedation dentistry, the oral administration of sedatives to facilitate dental procedures Oral solid dose, a form of oral administration of medication Osgood–Schlatter disease, an inflammation of the growth plate at the tibial tuberosity which occurs mostly in teenage boys