Anofficer is aperson who has a position ofauthority in ahierarchical organization.^[1] The term derives fromOld Frenchoficier "officer, official" (early 14c.,Modern Frenchofficier), fromMedieval Latinofficiarius "an officer," fromLatinofficium "a service, a duty" thelate Latin fromofficiarius, meaning "official."^[2]

• Officer, and/or Grand Officer, are both a grade, class, or rank of within certainchivalric orders andorders of merit, e.g.Legion of Honour (France),Order of the Holy Sepulchre (Holy See),Order of the British Empire (UK),Order of Leopold (Belgium)
• Great Officer of State
• Merchant marine officer or licensed mariner
• Officer of arms
• Officer in The Salvation Army, and other state decorations

• Bank officer
• Corporate officer, acorporate title
  • Chief executive officer (CEO)
  • Chief financial officer (CFO)
  • Chief operating officer (COO)
• Executive officer

• Chief academic officer, aprovost
• Sabbatical officer

• Bylaw enforcement officer
• Corrections officer
• Customs officer
• Environmental Health Officer
• Officer of the court
• Parking enforcement officer
• Police officer
  • Police community support officer
• Security officer,

• Officer (armed forces)
• Commanding officer
• Petty officer

• Chief Medical Officer
• Foreign Service Officer, a diplomatic officer
• Internal Service Officer, a diplomatic officer
• Presiding Officer (disambiguation)
• Returning officer

• Captain (nautical), the person in charge of a merchant ship
• Chief Engineering Officer, the person in charge of the technical department on a merchant ship
• Chief officer orchief mate, typically the person in charge of the deck department of a merchant ship
• Coastguard Rescue Officer, a rescue officer employed byHM Coastguard
• Second officer orsecond mate, typically the navigator and medical officer on a merchant ship
• Third officer orthird mate, typically the safety officer on a merchant ship
• Second Engineering Officer, the person in charge of the engine room on a merchant ship
• Third Engineering Officer, an Engineering Officer of the Watch

• First Officer (disambiguation)

• Management occupations
• Positions of authority

• Articles with short description
• Short description is different from Wikidata