The word Napier has several possible meanings in the English language.

"Napier" is part of the name of the following people:

1. John Napier (1550–1617), Mathematician (inventor of "Napier's bones" and other timesavers)
2. Colonel George Napier (1751--1804) descendant of the Scottish family of mathematician fame. Father of three brothers who were known in the Peninsular War as "Wellington's Colonels"
   • Sir Charles James Napier (1782--1853), son of George, Commander-in-Chief in India
   • Sir George Thomas Napier (1784--1855), son of George, Commander-in-Chief of the Army in the Cape Colony
   • Sir William Francis Patrick Napier (1785--1860), son of George, historian of the Peninsular war
3. Sir Charles Napier (naval officer) (1786--1860), nephew of George, Admiral, politician
4. William John Napier, 9th Lord Napier (1786--1834), Royal Navy officer, politician, and diplomat
5. Robert Napier (engineer) (1791-1876), Scottish marine engineer, see Cunard Steamship Lines
6. Sir Robert Napier, 1st Baron Napier of Magdala (1810--1890) Commander-in-Chief in India.
7. Frederick Napier , Governor of New South Wales 1909-1913
8. David Napier , son James Napier , and grandson Montague Napier of the precision engineering business Napier & Son
9. Alan Napier (1903--1988), actor who played Albert the Butler in the television series Batman, see also Lassie Come Home, Brian Forster
10. The Rt Hon. John Napier Turner (1929--), the seventeenth Prime Minister of Canada, June-September 1984.
11. Charles Napier (actor) (born April 12, 1936), an American actor.

"Napier University" is a university in Edinburgh, Scotland, named for the mathematician.

"Napier" is the name of several places in the world, including:

1. Napier, New Zealand, which includes the Port of Napier, (named after Sir Charles James Napier)
2. Napier Field, Alabama
3. Napier Township, Pennsylvania
4. Napier, South Africa

Other uses of "Napier" includes:

• Napier & Son, a British aircraft engine manufacturer.
• Napier earthquake, a 1931 earthquake in New Zealand.
• Napier's constant - it is e - base of natural logarithm (see John Napier above)

Also related: Neper