Buddhism is a nontheistic religion or dharma, "right way of living", that encompasses a variety of traditions, beliefs and practices largely based on teachings attributed to Siddhartha Gautama, commonly known as the Buddha .
Source: Wikipedia
Top 11 Buddhism Manga to read
1. Jigoku Raku

Gabimaru the Hollow is one of the most vicious assassins ever to come out of the ninja village of Iwagakure. He’s ruthlessly efficient, but a betrayal results in him being handed a death sentence. He has only one hope—in order to earn his freedom, he must travel to a long-hidden island and recover an elixir that will make the shogun immortal. Failure is not an option. On this island, heaven and hell are just a hair’s breadth away.
Hell’s Paradise: Jigokuraku is finished and has 13 Volumes and 127 Chapters. It is also Known as: 地獄楽, Jigokuraku, Paradition, Heavenhell, Jigoku Raku (KAKU Yuuji)
2. Dororo to Hyakkimaru-den

During Japan’s tumultuous Sengoku period, one man sells his son to a pack of devils in exchange for the power to rule. Forty-eight devils take forty-eight pieces of young Hyakkimaru, and the boy is left for dead. But through the assistance of a sage and a series of inventive prosthetics, Hyakkimaru survives. Together with the young thief Dororo, the now-grown Hyakkimaru embarks upon a quest to slay all the demons and retrieve the stolen pieces of his body. This classic story from Osamu Tezuka, the father of modern manga, is now reimagined in this gorgeous new adaptation by Satoshi Shiki.
The Legend of Dororo and Hyakkimaru is currently publishing . It is also Known as: どろろと百鬼丸伝, Bio of Dororo x Hyakkimaru, Сказание о Дороро и Хяккимару, 多羅羅與百鬼丸傳, 多罗罗与百鬼丸传
3. Harapeko no Marie

The battle romantic comedy manga centers on a boy named Taiga and a girl who lives next door to Taiga who has a secret.
Hungry Marie is finished and has 4 Volumes and 33 Chapters. It is also Known as: 腹ペコのマリー, Marie the Hungry, Tiger-ani to Dragon, Tiger Dragon Brothers, PekoMarie
4. Buddha

In ancient India, the lives of the people are plagued by drought, famine, constant warfare and the injustices of the strict caste system. The intertwining lives of many unhappy souls are drawn together by the birth of the young prince Siddhartha, who embarks on a spiritual journey, becomes Buddha, "the Enlightened One," and attempts to bring about a spiritual rebirth of the people in this desperate age.
Buddha is finished and has 14 Volumes and 66 Chapters. It is also Known as: ブッダ, Buddha
5. Sha Po Lang

In the age of the Great Liang Dynasty, the lives of the people were made convenient with steam-powered machines that run on a fuel named Violetstream Gold. Chang Geng, who lived in a small countryside village, shared a distant relationship with his mother while his stepfather was away most of the year round, and the only people he was close to were two little kids, the village teacher, and his yi fu – adoptive father. But his life was flipped upside down one day following the barbaric Man tribes’ invasion, and it turned out that his entire identity had been an illusion – not only was Chang Geng himself not the country boy he thought he was, but also his mother, his teacher, and even his beloved yi fu…
Sha Po Lang is finished and has 0 Volumes and 143 Chapters. It is also Known as: SPL
6. Tianbao Fuyao Lu

Tianbao Period. Kong Hongjun, a young man who was ignorant of worldly affairs, came to Chang’an with three important tasks and entered the Great Tang’s Exorcism Department. Inside the department, he led a ragtag group of yao-vanquishing experts together with Li Jinglong, commander of the Longwu Army. And this, is the story of how they wrote out the Great Tang’s Yao-vanquishing Records.
Note: Includes prologue and four bonus chapters.
Legend of Exorcism is finished and has 5 Volumes and 77 Chapters. It is also Known as: Legend Of Tang, La Leyenda de Tang, ¿Quién aquí no es un príncipe o algo así?, Tian Bao Fu Yao Lu
7. Buccafé!

Ruri, who's incapable of doing almost anything, has finally landed a part-time job in a cafe run by Buddhist priests. At "Kissako", find some delicious tea and enlightenment!
Buccafé! is currently publishing . It is also Known as: ぶっカフェ!, Buddha Café
8. M A C H I N A

Similar Manga like M A C H I N A
M A C H I N A is finished and has 6 Volumes and 151 Chapters. It is also Known as: MACHINA
9. Hen Kai Pan

Dismayed by the havoc wreaked on the Earth by humankind, its five guardian spirits decide to act. But as they argue amongst themselves on what the judgement should be, one enraged spirit, Nila, becomes determined to take matters into her own hands, forcing the remaining four to unite in a desperate final battle to prevent her from wiping not just humans, but all life from the face of the planet.
Hen Kai Pan is finished and has null Volumes and null Chapters. It is also Known as: Hen Kai Pan
10. Gatapishi

Kosuke Ano transferred to a new high school, and everything is new and exciting... or maybe he's just loud and oblivious to his surroundings. He didn't even know the school he entered was built by the temple nearby. Tomoyuki Zuisen, on the other hand, son of a monk, has been raised in the temple but susceptible to severe mood swings. Regardless, he guides the clueless Ano through the basics of monk disciplines like the practice of meditation, Zazen. Kosuke, although enthusiastic and full of energy, ends up falling asleep during Zazen. Will Ano be able to prove to Zuisen that he is not just noisy and easily elated? Or will Zuisen be quicker to suppress Ano's spirit?
Gatapishi is finished and has 1 Volumes and 6 Chapters. It is also Known as: GATAPISHI, かたぴし
11. Lord Seventh

Waking up again in his seventh reincarnation, prince Jing Beiyuan found himself back in time, when everything had yet to be set in motion. Having been given a second chance, Beiyuan had to survive court and decide whether it was finally time for him to let go of his feelings; all while trying to handle the youthful, innocent force of nature who had suddenly barged into his already complicated life.
Source: NU
Lord Seventh is finished and has 3 Volumes and 76 Chapters.