Yes, you can change the name on a Ryanair flight booking. We allow name changes on all bookings. However, there is a name change fee that applies. For more details, contact customer service at +1(808) 751-2262 (USA) or +44 (20) 39003009 (UK).
https://www.devex.com/people/insuit-name-change-can-i-change-a-name-on-a-ryanair-flight-2261337
