Alongside his many professional activities, Governor Atiyeh was active in sports and hobbies. An accomplished marksman and collector of historic guns, he was a lifetime member of the National Rifle Association and helped to start the Oregon Arms Collectors club. He also collected historic books and documents, with special interest in Oregon history. He liked whittling small wooden objects, which he would give as gifts to family and friends. He also enjoyed fishing, golf, and visiting friends across the state.