Niccolai is an Italian surname. Notable people with the surname include:
*
Armand Niccolai (1911–1988), American football player
*
Comunardo Niccolai (born 1946), Italian footballer
*
Giulia Niccolai (1934–2021), Italian photographer, poet, novelist and translator
See also
*
Nicolai (disambiguation) Nicolai may refer to:
*Nicolai (given name) people with the forename ''Nicolai''
*Nicolai (surname) people with the surname ''Nicolai''
*Nicolai (crater), a crater on the Moon
See also
* Niccolai, a surname
* Nicolae (disambiguation)
* Nicolao
* ...
, German variant
*
Nicolay (disambiguation) Nicolay may refer to:
* Nicolay (musician), Dutch musician
* Nicolay de Caveri, Genoese cartographer
* Nicolay (family), an influential French family in the 15th to 18th centuries
People with surname Nicolay:
* Christian Nicolay (born 1976), Ge ...
, French variant
*
Nikolai (disambiguation)
Nikolai or Nikolay is an East Slavic variant of the masculine name Nicholas. It may refer to:
People Royalty
* Nicholas I of Russia (1796–1855), or Nikolay I, Emperor of Russia from 1825 until 1855
* Nicholas II of Russia (1868–1918), or Niko ...
or Nikolay, Slavic forms
{{surname, Niccolai
Italian-language surnames
Patronymic surnames
Surnames from given names