Nelly and Nellie are female given names, also used as nicknames, which are derived from the names Helen, Ellen, Petronella, Danielle, Cornelia, Eleanor, Janelle, Chanelle, Penelope, Elizabeth, Natalie or Noelia.

• Nelly Artin Kalfayan (born 1949), Egyptian-Armenian entertainer, actress and presenter
• Nelly Arcan (1973–2009), Canadian writer, born Isabelle Fortier
• Nellie Barsness (1873–1966), American physician
• Nelly Beltrán (1925–2007), Argentine actress, born Nélida Dodó López Valverde
• Nelly Ben-Or (born 1933), Polish concert pianist and professor
• Nelly Blair (1759–1820), later Nelly Smith, sometimes suggested as being Scottish poet Robert Burns' first love (see also Nelly Kilpatrick)
• Nellie Bly (1864–1922), American journalist
• Nellie Bushell (1884-1948, Irish textile artist and political activist.
• Nellie Moyer Budd (1860–1944), American music teacher
• Nellie Marie Burns (ca. 1850–1897), American actor and poet
• Nelly Carrillo Tarazona de Espinoza (1927–2017), Peruvian herpetologist
• Nelly Ciobanu (born 1974), Moldovan singer
• Ellen Crocker (1872–1962) also known as 'Nellie' or 'Nelly', British suffragette
• Nellie Farren (1848–1904), English actress and singer
• Nelly Furtado (born 1978), Canadian singer-songwriter, instrumentalist, and record producer
• Nelly Armande Guillerm, birth name of Violette Verdy (1933–2016), French ballerina, choreographer, teacher, dance company director and writer
• Nelly Garzón Alarcón (1932–2019), Colombian nurse, teacher
• Nellie Shaw Harnar (1905–1985), American historian and educator
• Nellie A. Hope (1864-1918), American violinist, music teacher, orchestra conductor
• Nelly Karim (born 1974), Egyptian actress, model and ballerina
• Nelly Kilpatrick, later Nelly Bone (1759–1820), possibly Robert Burns' first love and muse (see also Nelly Blair)
• Nellie Kim (born 1957), Soviet gymnast
• Nellie van Kol (1851-1930), Dutch feminist, educator, and children's author
• Nelly Korda (born 1998), American golfer
• Nelly Láinez (1920–2008), Argentine comedic actress
• Nelly Landry (1916–2010), French tennis player, 1948 French Open champion
• Nellie McClung (1873–1951), Canadian feminist, politician, and social activist
• Nellie McKay (born 1982), British-born American singer-songwriter and actress
• Nellie V. Mark (1857–1935), American physician and suffragist
• Nelly Nichol Marshall (1845–1898), American author
• Nelly Mazloum (1929–2003), Egyptian actress, choreographer, dancer and dance teacher
• Nellie Melba (1861–1931), Australian opera soprano
• Nellie Lisa Melles, 2nd Baroness Burton (1873–1962), British aristocrat
• Nellie Burget Miller (1875-1952), American poet, writer, clubwoman, and lecturer
• Nellie Morrice (1881–1963), Australian army and bush nurse administrator
• Nelly Núñez (1948–2021), Bolivian politician
• Nelly Olin (1941–2017), Minister of Environment in France (2005–07)
• Nellie Roberts (1872–1959), British botanical artist
• Nellie Tayloe Ross (1876–1977), first American woman state governor
• Nelly Sachs (1891–1970), German poet and dramatist awarded the 1966 Nobel Prize for Literature, born Leonie Sachs
• Nellie R. Santiago (born 1943), New York state senator
• Nellie George Stearns (1855–1936), American artist and teacher of art
• Eleanor Nellie Stewart (1858–1931), Australian actress and singer
• Nelly Such (born 1992), Hungarian handballer
• Nelly Tagar (born 1982), Israeli actress and stand-up comedian
• Nellie Teale (1900–1993), American naturalist
• Nelly Ternan or Nelly Robinson, names used for Ellen Ternan (1839–1914), English actress, mistress of Charles Dickens
• Nelly Thüring (1875–1972), Swedish politician, one of the first women elected to the Swedish parliament
• Nelly Viennot (born 1962), French football referee
• Nelly Walker, birth name of Nella Larsen (1891–1964), American modernist novelist
• Nelly Wicky (1923–2020), Swiss Labour Party politician and former member of the Swiss National Council
• Nellie Yu Roung Ling (1889–1973), Chinese dancer and lady-in-waiting in Qing imperial court

• Nellie King (1928–2010), American baseball player and radio announcer
• Nelly, stage name of American rapper Cornell Iral Haynes Jr.
• Don Nelson (born 1940), American former basketball coach and player nicknamed "Nellie"

• Nellie Bertram, a character from The Office (U.S.), played by Catherine Tate
• Nelly Dean, in Emily Brontë's novel Wuthering Heights
• Nellie Oleson, from the Little House on the Prairie children's books and TV series
• Nellie Pledge, a fictional character in the Granada Television series Nearest and Dearest, played by Hylda Baker
• Nellie Brie, from the film An American Tail: The Mystery of the Night Monster
• Nellie Crain, from the Netflix limited series The Haunting of Hill House (TV series), played by Victoria Pedretti
• Nellie Gray, ally of The Avenger
• Nellie Forbush, heroine of the Rodgers and Hammerstein musical South Pacific
• Nellie O'Malley, a character from the American Girl series
• Nellie, subject of the 1956 song "Nellie the Elephant" and Nellie the Elephant (TV series)
• Nelly, the legal guardian and 'aunt' to Vladimir Tod in The Chronicles of Vladimir Tod written by Heather Brewer
• Nelliel Tu Odelschwanck, known as Nel Tu, a small, good-natured, character in the manga Bleach
• Nel Rawlison, in Henryk Sienkiewicz's novel In Desert and Wilderness

• Nella
• Nell
• Nelson

Name list

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