Meidingu Sameirang (Old Manipuri: Meitingu Sameilang) was a Meetei ruler of Ningthouja dynasty of Ancient Manipur (Antique Kangleipak).
[3] In 518 AD, he defeated Kwakpa Thawanthaba, the chief of the Angom principality and took possession of his territory after killing him.
[4] He founded the "Phaida Loishang" (eunuch institution) led by a head for the first time in the kingdom.
[5] During his reign, Yumnaks (Meitei families) like Yengkhom, Keithellakpam and Kheirom are found mentioning in the chronicles.
These are the descendants of Thamanglang, the step brother of King Sameirang.