Walt Disney World has four theme parks, EPCOT, Magic Kingdom, Hollywood Studios, and Animal Kingdom. They are full of exciting rides to go on. Surprisingly, there are not a ton of roller coasters though. These are all of the Disney World roller coasters.
Space Mountain

Space Mountain is one of the most iconic Disney roller coasters ever. It’s enclosed and dark the entire time. This ride is in Tomorrowland in Magic Kingdom. See all of the dark rides at Disney World here.
Big Thunder Mountain Railroad

Big Thunder Mountain Railroad is another iconic attraction in Disney World. It’s located in Frontierland in Magic Kingdom. It’s a roller coaster where you’re on a mine train.
Expedition Everest

Expedition Everest is a roller coaster in Animal Kingdom park. You get to the top and do the rest backwards.
Rock ‘n’ Roller Coaster

Rock ‘n’ Roller Coaster is a super thrilling dark roller coaster that is set to music by Aerosmith. It is in Hollywood Studios.
Guardians of the Galaxy: Cosmic Rewind

Guardians of the Galaxy: Cosmic Rewind is a roller coaster in EPCOT. It’s the second fastest ride in all of Disney World with a top speed of 60 mph! See all of the fastest rides at Disney World here.
Slinky Dog Dash

Slinky Dog Dash is a really cute Toy Story themed roller coaster in Toy Story Land in Hollywood Studios. It has a lower height requirement than most of the big rides, which is 38″. This makes it a great first roller coaster for kids.
Seven Dwarfs Mine Train

Seven Dwarfs Mine Train is a Snow White themed roller coaster in Fantasyland in Magic Kingdom. It also has a height requirement of 38″ so this is another good roller coaster for young kids.
The Barnstormer

The Barnstormer is a small roller coaster in Fantasyland in Magic Kingdom. The height requirement is only 35″, which is low for a roller coaster. This is the shortest ride in Disney World with a ride time of only one minute. See all of the shortest Disney World rides here.
Tron Lightcycle Run

Tron Lightcycle Run is one of the newest rides in Magic Kingdom. It is a unique roller coaster that is partially indoors and partially outdoors.