Gaynor
{{for|the unincorporated community in Nodaway County, Missouri, United States|Gaynor, Missouri}}
Gaynor is both a surname and a given name.{{cite book
| last = Hanks
| first = Patrick
| authorlink = Patrick Hanks
| last2 = Hardcastle
| first2 = Kate
| last3 = Hodges
| first3 = Flavia
| title = A Dictionary of First Names
| publisher = Oxford University Press
| series = Oxford paperback reference
| year = 2006
| isbn = 978-0-19-861060-1
| url = https://books.google.com/books?id=9nd05X_awIgC&pg=PT200
| access-date = 15 October 2018
| page = 200
| last = Hanks
| first = Patrick
| authorlink = Patrick Hanks
| title = Dictionary of American Family Names: 3-Volume Set
| publisher = Oxford University Press
| year = 2003
| isbn = 978-0-19-508137-4
| url = https://books.google.com/books?id=vG7MZ9J6dAgC&pg=PA24
| access-date = 15 October 2018
| page = 24
}} Notable people with the name include:
Surname
- Adam Gaynor (born 1963), American guitarist
- Barrington Gaynor (1965–2011), Jamaican footballer
- Celia Gaynor (born 2000), American soccer player
- Ciara Gaynor (born 1979), Irish camogie player
- Dave Gaynor, English drummer
- Gloria Gaynor (born 1943), American singer
- Janet Gaynor (1906–1984), American actress
- Jessie Gaynor (1863–1921), American composer
- John A. Gaynor (1846–1915), American politician in Wisconsin
- Katie Gaynor (born 1977), Australian baseball player
- Len Gaynor (born 1944), Irish hurling manager
- Len Gaynor (footballer) (1925–2017), English footballer
- Mel Gaynor (born 1960), British musician
- Mitzi Gaynor (born 1931), American actress, singer and dancer
- Pete Gaynor (born 1958), U.S. Administrator of FEMA
- Ross Gaynor (born 1987), Irish footballer
- Tomas Gaynor (born 1991), Australian rapper, singer and songwriter, known professionally as Allday
- Tommy Gaynor (born 1963), Irish footballer
- William Jay Gaynor (1849–1913), mayor of New York City
Given name
- Gaynor Arnold (born 1944), Welsh author
- Gaynor Faye (born 1971), English television actress
- Gaynor Hodgson, British child actress
- Gaynor Hopkins (born 1951), the birth name of Welsh singer Bonnie Tyler
- Gaynor Lucas, minor character in the BBC soap opera EastEnders
- Gaynor Rowlands (1883–1906), Edwardian actress of Welsh descent