Dreamlanders are the cast and crew of regulars whom John Waters has used in his films. The term comes from the name of Waters' production company, Dreamland Productions.

John Samuel Waters Jr. is an American filmmaker, writer, actor, and artist. He rose to fame in the early 1970s for his transgressive cult films, including Multiple Maniacs (1970), Pink Flamingos (1972) and Female Trouble (1974). Waters wrote and directed the comedy film Hairspray (1988), which was later adapted into a hit Broadway musical and a 2007 musical film. Other films he has written and directed include Desperate Living (1977), Polyester (1981), Cry-Baby (1990), Serial Mom (1994), Pecker (1998), and Cecil B. Demented (2000). His films contain elements of post-modern comedy and surrealism.