Namikaze Minato 1
"Huo Ying's Fourth Generation" by Konoha, when Kyubi no Youko attacked Konoha, in order to protect Konoha Village, Namikaze Minato sealed half of Kyubi no Youko with a ghost seal and sacrificed his own life.
2. What did Qi Mu say? Kakashi, the leader of Muye Village, known as "Qimu Shuomao", gave up his task because he saved his partner, so he was accused by people and partners in Muye Village and finally chose to commit suicide because he could not bear the pressure.
3. Uchiha Shisui
The talented ninja of Neiguang clan has the strongest illusion of "other gods" and loves peace, but Tuanzang doesn't want to believe him, and his right eye is taken away by Tuanzang's sneak attack, and finally he is cornered. Therefore, after Uchiha Shisui gave his other eye to his best friend Uchiha Itachi, he chose to throw himself into the river, which is also the savior of the world.
4. Hoshigaki Kisame
A member of Xiao's organization, with great strength, sneaked into Yunren Village to steal information, and was discovered by Naruto. After the defeat was hopeless, to protect Xiao's information, he killed himself with a psychic shark.
5. Vortex Nagato
When Xiao's leader attacked Konoha, he was moved by Naruto's avoidance. In order to make up for his mistakes, he resurrected the owner of Konoha by reincarnation, and he died because of chakra's failure.
6. Chiyo's mother-in-law
The consultant of Shayin Village in the windy country has a very powerful puppet technique. In order to revive the lover he took away, he finally sacrificed himself and passed on his vitality to his lover by reincarnation.
7. Hyū ga Hizashi
He killed the people in Yunyin Village because he saved Youtian. In order to avoid the war between the two villages, Hyū ga Hizashi committed suicide.
These are suicide ninjas I know. Who else do you know? Welcome to add a message.