Optica

Optica may refer to:


 * Optica (society), a scientific organisation supporting optics research and education
 * Optica (journal), a scientific journal on optics
 * Edgley Optica, an aircraft
 * Lithops optica, a plant
 * Optica Optics Software, software for optical ray-tracing and engineering design
 * Optica, a 2013 album by Shout Out Louds