Iestyn is a Welsh name used for boys that is derived from a Latin word for 'righteous'. The name may also have been a Welsh variation on the name Justin, which means 'Just'. Here we can see the similarity in the two names and their meanings. Iestyn Harris is a Welsh rugby player.
Iestyn is baby boy name mainly popular in Christian religion and its main origin is . Iestyn name meanings is Lawful, right, just. Other similar sounding names can be Justin.