Nichols is an English surname. It is an anglicised form of the Scottish surname relating to Clan MacNeacail, and may refer to:

A

• Adam Nichols, British musician
• Al Nichols, American baseball player
• Allen Nichols, American football player
• Anne Nichols, American playwright
• Arthur Nichols, Australian politician
• Arthur R. Nichols, Minnesota landscape architect
• Austin Nichols, American actor

B

• Beverley Nichols, English author, playwright, journalist, composer, and public speaker
• Bilal Nichols, American football player
• Bill Nichols (disambiguation), several people
• Billy Nichols, American musician, member of B.T. Express
• Brian Nichols (1971–present), accused Atlanta courthouse murderer

C

• Charles Archibald Nichols (1876–1920), politician from the U.S. state of Michigan
• Charles August Nichols (1910–1992), American animator and film director
• Charles Augustus Nichols (1869–1953), better known as Kid Nichols, Major League Baseball pitcher and Hall of Famer
• Charlotte Nichols, British Member of Parliament elected 2019
• Clarina I. H. Nichols, journalist, lobbyist, and public speaker
• Clement Roy Nichols Scouts Australia Scouting notable, awardee of the Bronze Wolf in 1965

D

• Dan Nichols, American Jewish rock musician.
• Dandy Nichols (1907–1986), actor
• Darlene Ka-Mook Nichols (born 1955), Native American activist and FBI informant
• David A. Nichols (1917–1997), American judge
• David C. Nichols (born 1950), American naval officer
• David E. Nichols, American pharmacologist and medicinal chemist
• David Eccles Nichols (1873–1962), English violist
• David H. Nichols (1826–1900), American politician
• Deatrick Nichols (born 1994), American football player
• Dick Nichols (1926–2019), American politician
• Don Nichols (1924–2017), American motorsport entrepreneur
• Donald Nichols (American football) (1901–1978), American football player and lawyer
• Donald Nichols (spy), American spy during and after the Korean War
• Donald G. Nichols (born 1931), American politician
• Dudley Nichols, (1895–1960), American screenwriter and director

E

• Ernest Fox Nichols, physicist
• Evan Nichols, American sled hockey player

G

• George Nichols (disambiguation)
• George Elwood Nichols (1882–1939), American botanist and ecologist
• George Ward Nichols, American journalist
• Grace Nichols, Guyanese poet

H

• Herbie Nichols, American jazz composer
• Horace Elmo Nichols – Chief Justice of the Georgia Supreme Court, from 1975 to 1980

J

• Jack C. Nichols (1930–2007), American politician
• James Nichols, convicted murderer
• James P. Nichols, recording industry executive producer and master engineer
• James W. Nichols (born 1946), American farmer and politician
• Jennifer Nichols, gold medal Olympian archer
• Jennifer Nichols, fictional character in the television show, The Brady Bunch
• Jesse Clyde Nichols, American developer of commercial and residential real estate in Kansas City, Missouri
• Joe Nichols, American country music artist
• Johanna Nichols, professor emerita Linguist in the Department of Slavic Languages and Literatures at the University of California, Berkeley
• John Nichols (disambiguation), one of several people including
  • John Nichols (journalist), American journalist and media activist
  • John Nichols, former member of the indie rock band Low
  • John Nichols (politician), 1800s American politician
  • John Nichols (printer) (1745–1826), English printer and author
    • John Bowyer Nichols (1779–1863), English printer and antiquary, son of the above
  • John Nichols (writer) (1940–2023), American novelist
  • John B. Nichols (1931–2004), United States Navy aviator and author
  • John Bowyer Buchanan Nichols (1859–1939), known as Bowyer Nichols, was an English poet
  • John G. Nichols (1812–1898), businessman, builder, and politician
  • John Noel Nichols, inventor of Vimto cordial
  • John Treadwell Nichols (1883–1958), an American ichthyologist and ornithologist
• Jonathan Nichols (Rhode Island politician) (1681–1727), colonial deputy governor of Rhode Island
• Josh Nichols, fictional character in the series Drake and Josh
• Joy Nichols, Australian radio and stage performer
• Joyce Nichols, American physicians assistant

K

• Kathleen Nichols, American computer scientist and computer networking expert
• Kelly Nichols, former pornographic actress
• Keith Nichols (1945–2021), English jazz multi-instrumentalist and arranger
• Kenneth Nichols, District Engineer of the Manhattan Project
• Kid Nichols (1869–1953), Major League Baseball (MLB) pitcher who played for the Boston Beaneaters, St. Louis Cardinals and Philadelphia Phillies
• Kyra Nichols, American ballet dancer and teacher, former New York City Ballet principal dancer

L

• Lawrence T. Nichols, Professor of Sociology at West Virginia University
• Larry D. Nichols, puzzle enthusiast and inventor
• Lew Nichols III (born 2001), American football player

M

• Malcolm Nichols, journalist and a U.S. political figure from a Boston Brahmin family
• Marie Hochmuth Nichols, rhetorical critic
• Marisol Nichols, American actress
• Mark Nichols (disambiguation)
• Mary Ann Nichols, Whitechapel murder victim killed by Jack the Ripper
• Mike Nichols, Academy Award-winning film director
• Mike J. Nichols, film editor
• Minerva Parker Nichols, an early American female architect
• Mitch Nichols, Australian footballer
• Morris Nichols, called "Stan Nichols", leading all-rounder in English cricket for much of the 1930s
• Moses Nichols, American physician, soldier, and leading citizen of Amherst, New Hampshire

N

• Nathaniel B. Nichols (1914–1997), American control engineer
• Nichelle Nichols (1932–2022), American singer and actor

P

• Peter Nichols (playwright) (1927–2019), English writer

R

• Rachel Nichols (actress)
• Rachel Nichols (journalist)
• Rayshad Nichols (born 1999), American football player
• Rebecca S. Nichols (1819–1903), American poet
• Red Nichols (1905–1965), jazz cornettist
• Reid Nichols (1958 – ), American former Major League Baseball outfielder, now Farm Director/Director of Player Development for the Milwaukee Brewers
• Robert Nichols (poet), English poet
• Robert Nichols (Texas politician), Texas State Senator
• Rob Nichols, American association executive and former public official
• Robbie Nichols, American football player
• Robbie Nichols (ice hockey), Canadian ice hockey player and coach
• Roger Nichols (songwriter)
• Roger Nichols (recording engineer)
• Roy Nichols, American country music guitarist
• Ross Nichols, Cambridge academic and published poet, artist and historian, who founded the Order of Bards, Ovates and Druids
• Ruth Nichols, Canadian author
• Ruth Rowland Nichols (1901–1960), aviator

S

• Sam Nichols (1829–1913), Minnesota and Washington state politician
• Sue C. Nichols, American artist
• Stan Nichols, English cricketer
• Stephen Nichols, American actor
• Steve Nichols, American Formula One car engineer and designer

T

• Taylor Nichols (1959–present), American actor
• Ted Nichols (1929–present), American composer, conductor, arranger, educator, and minister of music
• Terry Nichols (1955–present), convicted Oklahoma City bombing conspirator
• Thomas Nichols (disambiguation), several people

V

• Vincent Gerard Nichols, English cardinal of the Roman Catholic Church, Archbishop of Westminster and President of the Catholic Bishops' Conference of England and Wales

W

• Walter Nichols, fictional character in the series Drake and Josh
• William Nichols (disambiguation), several people

Z

• Zach Nichols, a fictional character in the television series Law & Order: Criminal Intent