圣 = Saint,
约翰 = John (a Jesuit-era transliteration of Hebrew Yohanan, via Latin Iohannes — pronounced like 'yo-han').
圣约翰大学 (St. John's University, Shanghai, 1879-1952) was one of the most prestigious missionary universities in pre-1949 China and educated figures like Wellington Koo (
顾维钧) and Lin Yutang (
林语堂).