Choijinzhab (also known as Choijinjab or Qôijûngjabû; 16 January 1931 – 29 April 2022[1]) was a Chinese linguist of Mongolian ethnicity.

Choijinzhab was born in Jirim League (哲里木盟), Inner Mongolia in 1931.

After graduating from the Ulaan Bator Normal College in Mongolia in 1949 he taught at a primary school in Ulaan Bator, before returning to Inner Mongolia in 1950.

He initially worked as an editor at the Inner Mongolia People's Publishing House, and then studied as a research student at the Central College for Nationalities from 1954 to 1957.

After graduating he took up a post at the Inner Mongolia University, where he remained through his career.