The Department of Oceanography and Fisheries (Portuguese: Departamento de Oceanografia e Pescas), normally shortened to DOP/UAç, is an Azorean oceanographic institute and research arm of the University of the Azores, with its seat in the city of Horta, on the island of Faial.

Since its founding, DOP assumed "the role of scientific research, conservation of marine life and sustainable use of Atlantic Ocean in the region of the Azores".

[1] It is a multidisciplinary institution involved in cooperative research with agreements in international (MAST III, LIFE, DG-XIV), national (PRAXIS, JNICT), and regional programs.

This includes the studies[1] of: The department is divided into four sections:[2] Supporting these investigation units are five nuclei: fisheries statistics; documentation; imagery/multimedia; computer sciences; scientific diving.

[2] At least one technician/researcher is responsible for each laboratory, that includes specific areas, such as: Marine Ecology and Biodiversity; Fisheries Resources; Aquaculture and Ethology; Instrumentation and Calibration; Chemistry; Oceanographic Monitoring and Modelling; Optics and Ageing; and Histology and Genetics.