Alden \a-lden, al-den\ as a boy's name is pronounced ALL-den. It is of Old English origin, and the meaning of Alden is "old friend". Surname used as a given name, though unusual. Alden has 12 variant forms: Al, Aldan, Aldin, Aldwin, Aldwyn, Aldwynn, Alwine, Elden, Eldin, Eldwin, Eldwyn and Eldwynn. Baby names that sound like Alden are Aldon and Alten. View a list of the 3 names that reference Alden.