Shipping industry

• Captain (nautical)
  Captain (nautical)
  A sea captain is a licensed mariner in ultimate command of the vessel. The captain is responsible for its safe and efficient operation, including cargo operations, navigation, crew management and ensuring that the vessel complies with local and international laws, as well as company and flag...
  
   the person in charge of a merchant ship
• Chief Officer
  Chief officer
  A chief officer can refer to any of various leaders:In the military, it can refer to certain non-commissioned members:*Chief Petty Officer*Chief Warrant OfficerMarine occupation:*Chief Mate...
  
   typically the person in charge of the deck department of a merchant ship
• Second Officer typically the navigator and medical officer on a merchant ship
• Third Officer
  Third Mate
  A Third Mate or Third Officer is a licensed member of the deck department of a merchant ship. The third mate is a watchstander and customarily the ship's safety officer and fourth-in-command...
  
   typically the safety officer on a merchant ship

Law enforcement

• Corrections officer
• Customs officer
  Customs officer
  A customs officer is a law enforcement agent who enforces customs laws, on behalf of a government.-Hong Kong:4 931 posts, of which nine are directorate officers, 3 804 are members of the Customs and Excise Department, 504 are Trade Controls Officers and 614 are staff of the General and Common...
  
  
• Officer of the court
  Officer of the court
  The generic term officer of the court applies to all those who, in some degree in function of their professional or similar qualifications, have a legal part—and hence legal and deontological obligations—in the complex functioning of the judicial system as a whole, in order to forge justice out of...
  
  
• Parking enforcement officer
• Probation officer
  Probation officer
  Parole officers and probation officers play a role in criminal justice systems by supervising offenders released from incarceration or sentenced to non-custodial sanctions such as community service...
  
  /Parole officer
• Law enforcement officer (Peace officer)
• Police officer
  Police officer
  A police officer is a warranted employee of a police force...
  
  
• Security officer

Politics and government

• Chief Medical Officer
• Presiding Officer
• Returning Officer
  Returning Officer
  In various parliamentary systems, a returning officer is responsible for overseeing elections in one or more constituencies.-Australia:In Australia a returning officer is an employee of the Australian Electoral Commission or a State Electoral Commission who heads the local divisional office...
  
  
• Foreign Service Officer
  Foreign Service Officer
  A Foreign Service Officer is a commissioned member of the United States Foreign Service. As diplomats, Foreign Service Officers formulate and implement the foreign policy of the United States. FSOs spend most of their careers overseas as members of U.S. embassies, consulates, and other diplomatic...
  
   (diplomatic)

Ceremonial and other contexts

• Bank officer
  Bank officer
  A bank officer is an employee of a bank endowed with the legal capacity to agree to and sign documents on behalf of the institution. The title is usually held by branch managers, assistant managers, loan officers, and other experienced personnel...
  
  
• Chief academic officer
  Provost (education)
  A provost is the senior academic administrator at many institutions of higher education in the United States, Canada and Australia, the equivalent of a pro-vice-chancellor at some institutions in the United Kingdom and Ireland....
  
   (provost
  Provost (education)
  A provost is the senior academic administrator at many institutions of higher education in the United States, Canada and Australia, the equivalent of a pro-vice-chancellor at some institutions in the United Kingdom and Ireland....
  
  )
• Corporate officer, a corporate title
  Corporate title
  Publicly and privately held for-profit corporations confer corporate titles or business titles on company officials as a means of identifying their function in the organization...
  
  
• First Officer (disambiguation)
• Great Officer of State
  Great Officer of State
  In the United Kingdom, the Great Officers of State are traditional Crown ministers, who either inherit their positions or are appointed to exercise certain largely ceremonial functions. Separate Great Officers exist for England and Scotland, and formerly for Ireland...
  
  
• Merchant marine officer or licensed mariner
• Officer of arms
  Officer of arms
  An officer of arms is a person appointed by a sovereign or state with authority to perform one or more of the following functions:*to control and initiate armorial matters*to arrange and participate in ceremonies of state...
  
  
• Officer, a grade, class, or rank of within certain chivalric orders and orders of merit
  Order of Merit (disambiguation)
  Order of Merit may refer to:Extant national orders:* Order of Merit of Antigua and Barbuda, see Commonwealth realms orders and decorations* Order of Merit * Order of Merit of the Bahamas* Order of Merit of the Police Forces...
  
   (e.g. Order of the British Empire
  Order of the British Empire
  The Most Excellent Order of the British Empire is an order of chivalry established on 4 June 1917 by George V of the United Kingdom. The Order comprises five classes in civil and military divisions...
  
  , National Order of the Cedar
  National Order of the Cedar
  The National Order of the Cedar is a prestigious civilian and military award and Medal of the Lebanese Government. This Order is the highest decoration in Lebanon and is made up of five Grades :* Grand Cordon...
  
  , Légion d'honneur
  Légion d'honneur
  The Legion of Honour, or in full the National Order of the Legion of Honour is a French order established by Napoleon Bonaparte, First Consul of the Consulat which succeeded to the First Republic, on 19 May 1802...
  
  )
• Officer in The Salvation Army
  Officer in The Salvation Army
  An Officer in The Salvation Army is a Salvationist who is in essence a minister of the Christian faith, but who fulfills many other roles not usually fulfilled by clergy of other denominations...
  
  , and other state decoration
  State decoration
  State decorations are orders, medals and other decorations granted by a state. International decorations are similar, but are not granted by a specific nation but rather an international organization....
  
  s
• Sabbatical officer
  Sabbatical officer
  A sabbatical officer is a full-time officer elected by the members of a students' union , commonly at a higher education establishment such as a university...
  
  

Other

• Officers (video game)
  Officers (video game)
  Officers is a World War II real time strategy game developed by 3A Games and published by Tri Synergy. It was released on 28th November 2008 in Japan, 29th May 2009 in Europe and released in the USA on 14th July 2009 for PC.- Gameplay & Plot :...
  
  , a real time strategy video game released in 2009.