In case you missed any of the Castlevania comics I translated into English, here’s some links for you.
Order of Ecclesia (Some of them were also officially translated, which you can see here or here.)
Lords of Shadow: Mirror of Fate
Dawn of Sorrow, Part 1 and Part 2
Portrait of Ruin, Part 1 and Part 2
Harmony of Despair, Part 1 and Part 2
Curse of Darkness, Part 1 and Part 2
Finally: not mine but all the Dracula X Chronicles 4koma were officially translated into English, which you can read here or here.
All the above comics in one downloadable archive.
Thanks to Shizumon and the other mangaka, Konami, Castlevania Realm, Castlevania Wiki, and my friends who supported this endeavour. Please share this post around to any fans you know!
EDIT: I added all these to a Flickr gallery for easier(?) viewing