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A lieutenant governor or lieutenant-governor is a high officer of state, whose precise role and rank vary by jurisdiction, but often the deputy or lieutenant to or ranking under a governor - a "second-in-command." In many Commonwealth of Nations states, lieutenant governors are usually deputy heads of state.

• Australia - Lieutenant governor (Australia)
• Canada - Lieutenant Governor (Canada)
  • Lieutenant Governor of Alberta
  • Lieutenant Governor of British Columbia
  • Lieutenant Governor of Manitoba
  • Lieutenant Governor of New Brunswick
  • Lieutenant Governor of Newfoundland and Labrador
  • Lieutenant Governor of Nova Scotia
  • Lieutenant Governor of Ontario
  • Lieutenant Governor of Prince Edward Island
  • Lieutenant Governor of Quebec
  • Lieutenant Governor of Saskatchewan
• India - Governors and Lieutenant-Governors of states of India
  • List of Governors of Indian states
  • British India
    • List of Lieutenant Governors of the North-Western Provinces
    • List of Lieutenant Governors of the United Provinces of Agra and Oudh
    • List of Lieutenant Governors of the North-Western Provinces and Chief Commissioners of Oudh
• Jersey - Lieutenant Governor of Jersey
• New Zealand - The only person to have held the rank of Lieutenant Governor of New Zealand was Royal Navy Captain William Hobson from 1839–1841 when New Zealand colony was a dependency of the colony of New South Wales, governed at that time by Sir George Gipps. When New Zealand was designated a Crown colony in 1841, Hobson was raised to the rank of governor, which he held until his death the following year. Subsequently in 1848 New Zealand was divided into three provinces: New Ulster, New Munster, and New Leinster, each with their own Lieutenant Governors.
• Guernsey - Lieutenant Governor of Guernsey
• Isle of Man - Lieutenant Governor of the Isle of Man
• U.S. states - Lieutenant governor (United States)
  • List of current United States lieutenant governors

• Hong Kong - Lieutenant Governor of Hong Kong