This is an increasingly common thing that happens with artists having similar names. Thankfully, we can request that iTunes and Spotify process an "artist separation" for you so your music appears on its own page. If you have a pre-existing page containing your correct artist name and other releases please also provide a link to the page you'd like your music to appear on.
We'll just need the following to request one:
Incorrect Artist Link:
Correct Artist Link (if you have other releases on their own page already):
Submit an artist separation here and send this information over to us. Once we've sent the request on your behalf it will take 1-3 weeks to change over.
For Amazon, unfortunately, when you search for an artist, all albums with that artist's name are displayed. Since you share your name with another artist/band, all albums will be displayed when searched. We apologize for any inconvenience.