Almirantazgo may refer to:

• Almirantazgo Fjord, in Chile
• Yakutat Bay, in Alaska

• Defence (Ethiopia)
• Defence Evaluation & Research Agency
• Defence Export Sales Organisation
• Defence Fire Risk Management Organisation
• Defence Fire Training and Development Center
• Defence Fire Training & Development Centre
• Defence Food Research Laboratory
• Defence Force
• Defence Force Discipline Act
• Defence Force S.C.
• Defence Forces (disambiguation)
• Defence Forces of Finland
• Defence Geospatial Information Working Group
• Defence Historical Service
• Defence Housing Australia
• Defence Housing Authority (Lahore)
• Defence in Botswana
• Defence-in-depth
• Defence in depth
• Defence-in-depth (Roman)
• Defence-in-depth (Roman military)
• Defence Industries Limited
• Defence industry of Russia
• Defence Infrastructure Service
• Defence Institute of Physiology & Allied Sciences