Yes, Ikon could be considered a goth band because they play Gothic Rock and Darkwave, which are among the core subgenres of goth music. Albums like In The Shadow Of The Angel, Flowers For The Gathering, and This Quiet Earth are examples of their goth sound.
Ikon is located in Australia, Melbourne, active in 1991 — present. You can find more information about Ikon on their GothDB band page.