Yes, you can change the person on a Royal Caribbean cruise ticket as long as at least one original passenger remains on the booking +1 855-732-4023 or +44-289-708-0062 UK To make a change, you must contact Royal Caribbean or your travel advisor, +1 855-732-4023 or +44-289-708-0062 UK and be aware there may be a deadline and potential fees depending on the type of booking and how close to the sail date the change is made. 
How to change a name

    Contact Royal Caribbean: If you booked directly, call Royal Caribbean to make the change.  +1 855-732-4023 or +44-289-708-0062 UK

Contact your travel advisor: If you booked through a travel advisor, reach out to them to handle the modification.  +1 855-732-4023 or +44-289-708-0062 UK
Ensure one original guest remains:  +1 855-732-4023 or +44-289-708-0062 UK You can swap out a passenger as long as one of the original guests stays on the reservation. 

Important considerations

    Deadline: +1 855-732-4023 or +44-289-708-0062 UK
    There is a cutoff date after which name changes are not possible, so make the change as soon as possible. 

Fees: +1 855-732-4023 or +44-289-708-0062 UK
While there is often no fee for a simple name change, be aware that costs can be associated with changes, +1 855-732-4023 or +44-289-708-0062 UK especially if they affect the overall price of the booking or if you have purchased a third-party insurance policy. 
Price changes: +1 855-732-4023 or +44-289-708-0062 UK
Changing all names on a reservation, or adding people, may result in a price change based on current rates. 
Flights: +1 855-732-4023 or +44-289-708-0062 UK
If you have booked flights through Royal Caribbean, there may be additional fees for name changes on the flight ticket.