- Xandé Alain
- Xausa Ilaria
- Xavier Boës
- Xavier-Francois Vigouroux
- Xavier Michel
- Xavier Ricard
- X., Basurto
- X. Boes
- Xella S.
- Xella S.M.
- X. Gentit F.
- Xhaard Constance
- Xhauflair Hermine
- Xhignesse Guillaume
- Xhumari F.
- Xia Cathy
- Xia Gui-Song
- Xia L.
- Xia Li-Yao
- Xiang Bo
- Xiang H.
- Xiang Hua
- Xian Guojian
- Xiang Yanfei
- Xiang Yong
- Xiao1 M.
- Xiao B. -W.
- Xiao David
- Xiao Zhongzhe
- Xia Y.
- Xie J.
- Xie Ming
- Xie Minshan
- Xie S.
- Xie Weiguo
- Xie X.
- Xie Xiaolan
- Xie Xiaolan
- Xie Xiaoyan
- Xie Y.
- Xie Z.
- Ximenes M.C.
- Xing-Bongioanni Jingyue
- Xin L.-P.
- Xin Shihe
- Xiong Caiming
- Xirgu Aleixandre J.
- X Lipka
- X. Sha Z.
- Xu Aiping
- Xuan Hélène
- Xu C.C.
- Xu C.
- Xu Chao
- Xu Chenglin
- Xu Cheng-Zhong