Methodius Qu Ailin (Chinese: 屈蔼林; born May 1961) is a Chinese Roman Catholic Bishop of Roman Catholic Diocese of Hunan, China.

After the resumption of College Entrance Examination, he graduated from the Hengyang Basic University.

He was accepted to the Central South School of Theological Philosophy in 1991.

He was ordained archbishop in 1999 by Bishop of Roman Catholic Diocese of Hunan Simon Qu Tianxi.

On December 19, 2011, he was elected as Bishop of Roman Catholic Diocese of Hunan (Archbishop of Changsha and Apostolic Administrator of the Dioceses and Prefectures in Hunan).