Dahlia is a feminine given name derived from the name for the flower, which was named in honor of the Swedish botanist Anders Dahl. His surname is of Germanic origin and refers to a person who lived in a valley.     It is also a spelling variant of the name Dalia, which is also a Hebrew name meaning “hanging branch”.

Usage
The name has been among the top 1,000 names given to newborn girls in the United States since 2006 and among the top 300 since 2022. It has been among the top 1,000 names given to newborn girls in England and Wales since 2013. It is among the top 300 names given to newborn girls in Canada, where it ranked in 294th position on the popularity chart in 2021, with 106 uses.

People
Dahlia Adler, American author
Dahlia Duhaney (born 1970), Jamaican retired sprinter and Olympian
Dahlia Elsayed (born 1969), American painter, writer, and teaching artist
Dahlia Greidinger (1926-1979), Israeli scientist
Dahlia Harris, Jamaican actress, television and radio personality, public speaker, and film and theatre director.
Dahlia Lithwick, Canadian-American lawyer, writer, and journalist
Dahlia Malkhi, Israeli-American computer scientist
Dahlia Mokbel (born 1969), Egyptian synchronized swimmer and Olympian
Dahlia Ravikovitch (1936-2005), Israeli poet, translator, and peace activist
Dahlia Salah (born 2001), Gibraltarian footballer
Dahlia Salem (born 1971), American actress
Dahlia Schweitzer (born 1976), American pop culture critic and writer

Fictional characters
Aunt Dahlia, a recurring fictional character in the Jeeves stories of English comic writer P. G. Wodehouse
Dahlia Lynley-Chivers, a fictional character from The Southern Vampire Mysteries/Sookie Stackhouse Series by author Charlaine Harris

See also
Blag Dahlia, stage name of American singer and record producer Paul Cafaro (born 1969)
Kat Dahlia, stage name of Cuban-American recording artist Katriana Huguet (born 1990)
Dahlia Sin, American drag performer
Dahlia (horse), an American-bred Thoroughbred racing horse and brood mare

Notes

Feminine given names
Given names derived from plants or flowers