Ling Zheng 冷徵 (or Ling Leng) was a Colonel Protector of the Qiang for the Han in 184 A.D.
At the end of the year 184 A.D. the Liang Province Rebellion broke out. Ling Zheng was their first victim. He was killed in the ninth lunar month of 184 in the military camp Lianju, in Beidi or Anding commanderies in Liang Province. Later, he was replaced by Xia Yu.