Ap Rhys is a surname of Welsh origin, often associated with individuals from Wales. The prefix "Ap" means "son of" in Welsh, indicating lineage. This naming convention is common in Welsh culture, where family heritage is emphasized. Historically, individuals with the surname Ap Rhys may have been part of the nobility or landowning families in Wales. The name can also be linked to various historical figures and local legends, reflecting the rich cultural tapestry of Welsh history and identity.