People
* Chelsea (given name), a feminine name
* Chelsea Clinton (born 1980), American author, only daughter of Bill Clinton and Hillary Clinton
Places
* In the United Kingdom:
* Chelsea, a district of London, England
* Chelsea Stadium, a football ground in Fulham, London
* Chelsea F.C., a professional football club based in Fulham
* In the United States:
* Chelsea, Alabama
* Chelsea, Iowa
* Chelsea, Massachusetts
* Chelsea, Michigan
* Chelsea, New York
* Chelsea, Oklahoma
* Chelsea, South Dakota
* Chelsea, Vermont
* Chelsea, Wisconsin
Other uses
* Chelsea boots, a fashion shoe
* Chelsea Bun, a type of sweet bun
* Chelsea porcelain, a type of soft-paste porcelain
* Chelsea Records, a New York City record label