Can you bring a stroller or wagon from home into the Walt Disney World theme parks?

You can bring your own stroller but wagons are not allowed. You might consider a 'umbrella stroller' as these are easier to fold on Disney transportation. If you are worried about your good stroller just go to a discount store when you get here and get a $20 stroller. I have seen families going home from vacation find another family to give the cheap stroller to.