Ysgol Syr Hugh Owen is a bilingual comprehensive secondary school for pupils aged 11–18. The school is situated in Caernarfon, Gwynedd, Wales. The school was established in 1894, the first to be built under the Welsh Intermediate Education Act 1889, which was heavily influenced by the educator Sir Hugh Owen, after whom the school was named. As of 2022, there were 937 pupils enrolled at the school. Its current headteacher is Paul Mathews Jones. It serves the town of Caernarfon and the nearby villages, which include; Bontnewydd, Caeathro, Y Felinheli, Llandwrog, Rhosgadfan and Rhostryfan.