Military
- John Hayes (explorer) (1768–1831), of the British East India Company
- John Hayes (Royal Navy officer) (1767/1775–1838), Royal Navy admiral
- Sir John Macnamara Hayes, 1st baronet (1750?–1809), military physician
- John Hayes (sailor) (1832–1911), American Civil War sailor and Medal of Honor recipient
- John B. Hayes (1924–2001), U.S. Coast Guard commandant
- John Daniel Hayes (1902–1991), U.S. Navy admiral and naval historian
- John Osler Chattock Hayes (1913–1998), British admiral
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Famous quotes containing the word military:
“I really do inhabit a system in which words are capable of shaking the entire structure of government, where words can prove mightier than ten military divisions.”
—Václav Havel (b. 1936)
“There are many examples of women that have excelled in learning, and even in war, but this is no reason we should bring ‘em all up to Latin and Greek or else military discipline, instead of needle-work and housewifry.”
—Bernard Mandeville (1670–1733)
“In politics, it seems, retreat is honorable if dictated by military considerations and shameful if even suggested for ethical reasons.”
—Mary McCarthy (1912–1989)