Ænon, more commonly written Aenon, is the site mentioned by the Gospel of John as the place where John was baptising after his encounter with Jesus.
"Ænon" is the Greek rendition of the Semitic term for "spring" or "natural fountain", like the Hebrew and Arabic ayn. In the water-poor Middle East, places owning a spring tend to be named after that water source, so that toponyms consisting of or containing the Construct state word "ein-" are common. The particular site mentioned in the Gospel of John is therefore closer identified as "Aenon near Salim". John 3:23 is the only place in the Bible where the name Aenon is found.
The name Aenon is commonly used amongst Baptist organizations and churches.