Yes!  This is especially important to international Guests.
Whether you’re spending a magical day at the theme parks, or relaxing at your resort hotel, you’ll stay connected with complimentary wireless high-speed internet access (WiFi).  This is available in the majority of public spaces including:
All four theme parks – Magic Kingdom, EPCOT, Disney’s Hollywood Studios and Disney’s Animal Kingdom
Both Typhoon Lagoon and Blizzard Beach water parks
Disney Springs
Disney’s Boardwalk
Inside and around your Disney resort hotel or Fort Wilderness Campground