Muslims

Is′ḥāq إسحاق — the prophet Isaac

http://corpus.quran.com/search.jsp?q=con%3Aisaac

also a jurist named Is′ḥāq Bin Rāhwayh ( إسحاق بن رَاهْوَيه ) http://www.as-salaf.com/article.php?aid=70&lang=en