Chelsea can be:
- A neighbourhood in London, see: Chelsea, London
- A borough in London, see: Royal Borough of Kensington and Chelsea
- A football club in London: see Chelsea F.C.
- A neighborhood in New York City, see: Chelsea, Manhattan
- A town in Alabama, see: Chelsea, Alabama
- A town in Maine, see: Chelsea, Maine
- A city in Massachusetts, see: Chelsea, Massachusetts
- A village in Michigan, see: Chelsea, Michigan
- A city in Oklahoma, see: Chelsea, Oklahoma
- A town in Vermont, see: Chelsea, Vermont
- A suburb of Melbourne in Australia, see: Chelsea, Victoria
- A village in Quebec, see: Chelsea, Quebec
- The daughter of President Bill Clinton, see: Chelsea Clinton
- An early 1980s punk band, see: punk
- A well-known hotel in Chelsea, Manhattan, see: Hotel Chelsea
- A bridge in London, see: Chelsea Bridge
- A girl or woman who is a skinhead, and/or a skinhead man's girlfriend; so named for her hairstyle entailed by shaving the crown and occiput of her head and leaving the front, back and often the sides as fringes. The shaved spot is sometimes hidden by a hat that is just large enough to fit so as to cover the shaved area. Also known as Skinhead Girls, Skingirls or Skinbyrds.