Princess Le'an (), also Princess Lanling () (fl. 530s), was the consort of the Rouran khagan Yujiulü Anluochen. She was born into the imperial house of the Eastern Wei dynasty and was a descendant of Tuoba Yulü of the Dai dynasty and of Empress Pingwen. She was the sister of , also Chang shanwang yuan ming (常山çÂÂå Â鸣).
Princess Lanling was a native of , Henan (now east of Luoyang, Henan Province), a descendant of Tuoba Yulü. She was the sister of , or Chang shanwang yuan ming (常山çÂÂå Â鸣).
She was married to Anluochen, the khan of the Rourans, the son of Anagui. A thousand horses were sent from Rouran to the Emperor of Eastern Wei, Xiaojing, asking for the hand of the princess who, following her marriage with Anluochen, adopted the royal name of Princess Lanling (å °éµ堬主). In view of the importance of an alliance with the Rouran, Gao Huan personally presided the collection of the dowry and led the princess and her retinue to Rouran.