Hundreds of Disney workers gathered for a march near Downtown Disney, event organizers said.
The parade began around 5:30 p.m. Monday at Buena Vista Palace Hotel.
The parade was expected to move toward the Reedy Creek Improvement District parking lot.
With union negotiations underway, organizers say workers are bargaining over a new compensation package.
Parade attendants includeed park housekeepers, food and beverage employees and custodians, according to organizers.
Disney officials say no union activity is planned inside the Downtown Disney area.