1 Elfen Lied
Elfen Lied is a Japanese manga series written and illustrated by Lynn Okamoto. It was originally serialized in Shueisha's Weekly Young Jump from June 2002 to August 2005, with the 107 chapters collected into twelve tankōbon volumes. This story surely defines the word "disturbing". It is gory, but doesn't lack sadness.
So gory even Adult Swim didn't want to air it
The best anime ever existed...
But those boobs though
2 Higurashi: When They Cry
Higurashi No Naku Koro Ni, also known as "When They Cry," is a Japanese horror anime and visual novel series. Originally created by Ryukishi07, the series is set in the fictional village of Hinamizawa and follows a group of friends who become involved in mysterious, often violent events. Known for its nonlinear storytelling and psychological horror elements, the series has garnered a cult following. The show is noted for its intricate plot and deep character development, which play crucial roles in the unfolding mysteries. I'm going to die and have a temper tantrum!
Sadistic. I've had to turn away.
3 Highschool of the Dead
Highschool of the Dead, known in Japan as Apocalyptic Academy: Highschool of the Dead, is a Japanese manga series written by Daisuke Satō and illustrated by Shōji Satō. This anime was good but I think it was more soft core porn than gore.
4 Deadman Wonderland
Deadman Wonderland is a Japanese manga series written by Jinsei Kataoka and illustrated by Kazuma Kondou, who also wrote and illustrated the Eureka Seven manga, and published in Shōnen Ace since 2008. I love this anime. It is my favorite anime that I've watched so far. The protagonist *spoilers* is very bubbly and can also be devious and evil. There is a A LOT OF BLOODSHED. But, I am a huge fan of bloody, gory stuff so this anime is awesome. Be warned, though, I've had to turn away from the screen a few times.
5 Berserk
Berserk, also known as Sword-Wind Chronicle Berserk, is a Japanese anime television series that aired from 1997 to 1998. An adaptation of the manga Berserk, it comprises 25 half-hour episodes produced by Oriental Light and Magic and first aired on Nippon TV. They've remade this now. It's really good.
6 Hellsing
Hellsing is a Japanese manga series written and illustrated by Kouta Hirano. It premiered in Young King OURs in 1997 and ended in September 2008.
7 Gantz
8 Umineko: When They Cry
9 Another
Another is an anime based upon the Novel and Manga of the same name by Yukito Ayatsuji. There also exists a live action movie based on the novel.
10 Future Diary
Future Diary is a Japanese manga series written and illustrated by Sakae Esuno. The plot surrounds a battle royale in which each combatant has a diary with entries from the future. The manga was serialized in the Kadokawa Shoten's Shōnen Ace between January 2006 and December 2010.
The Contenders
11 Ninja Scroll
12 Tokyo Ghoul
Tokyo Ghoul is a Japanese dark fantasy manga series written and illustrated by Sui Ishida. It was serialized in Shueisha's seinen manga magazine Weekly Young Jump between September 2011 and September 2014, and it has been collected in fourteen tankōbon volumes as of August 2014. In my opinion I think that this is the goriest anime of all time but really good I think people will like just be prepared for canablizame
I love this Anime! And it was kinda gory, I guess, but not like "TURN IT OFF! EW! " kinda gory.
The book is better and by better I mean gorier.
13 Corpse Party
I watched the anime and played the first game on psp,despite being a horror game/anime/manga I found it more of a tragedy than scary.
Are you Seito from Corpse Party, Because I'd like to HANG OUT some time!
This should be higher than tokyo ghoul
14 Pupa
15 Attack on Titan
Attack on Titan, also known as Shingeki no Kyojin in Japanese, created by Hajime Isayama, is one of the most popular Japanese anime series to be released. It was first watched in Japan during 2013 and was dubbed in English to be watched in America in 2014. It is best known for its emotional moments, apocalyptic setting, and its dramatic story line, and action packed scenes.
16 Genocyber
17 Violence Jack
Violence Jack is a Japanese manga, co-written and co-illustrated by Go Nagai since 1973, all the way to 2008. It has had several serializations and one-shot stories which have run in the 1970s, 1980s, 1990s and 2000s. Most of the stories have been compiled in around 45 tankōbon while a few of them ...read more.
18 Hellsing Ultimate
Hellsing is a Japanese manga series written and illustrated by Kouta Hirano. It chronicles the efforts of the mysterious and secret Hellsing Organization, as it combats vampires, ghouls, and other supernatural foes who threaten England.
19 Blood-C
No! Stop! Turn it off!
20 Fullmetal Alchemist: Brotherhood
Fullmetal Alchemist: Brotherhood is an anime series adapted from the Fullmetal Alchemist manga by Hiromu Arakawa.
21 Devilman Crybaby
22 11Eyes
23 Akira
24 Psycho-Pass
Psycho-Pass is an anime television series that was produced by Production I.G, directed by Naoyoshi Shiotani & Katsuyuki Motohiro and written by Gen Urobuchi. One word: Dominators
25 Corpse Party: Tortured Souls
Elfen Lied is good but nothing when it comes to gore compared to this... at least somewhat for the most.