- X.B.Wu([1]) — X.B. Wu
- X.Cheng([2]) — Xiao Cheng
- X.D.Wang([3]) — Xiao Dong Wang
- Xeld.([4]) — Vamona Xeldencar
- Xena([5]) — Nereida Xena
- X.G.Wang([6]) — Xin Gui Wang
- X.G.Wu([7]) — Wu Xian-Gwu
- Xhonneux([8]) — Guy Xhonneux
- X.H.Wang([9]) — Xiang Hua Wang
- Xian J.Wang([10]) — Xian Jia Wang
- Xiao Q.Wang([11]) — Xiao Quan Wang
- Xifreda([12]) — Cecilia C. Xifreda
- X.J.Wang([13]) — Xiu Juan Wang
- X.L.Wu([14]) — Xing Liang Wu
- X.M.Wang([15]) — Xiao Ming Wang
- X.Q.Wang([16]) — Xi Qu Wang
- X.R.Wang([17]) — Xian Rong Wang
- X.S.Shen([18]) — Xian Sheng Shen
- X.T.Zhu([19]) — Xin Ting Zhu
- Xuarez([20]) — Gaspar Xuarez
- Xue M.Wang([21]) — Xue Ming Wang
- X.Wang([22]) — Xin Wang
- X.Wei([23]) — Xing Wei
- X.W.Li([24]) — Xing Wen Li
- X.W.Wei([25]) — X.W. Wei
- X.Y.Cheng([26]) — X.Y. Cheng
- X.Y.Tang([27]) — Xin Yun Tang
- X.Y.Wang([28]) — Xiao Ying Wang
- X.Y.Wu([29]) — X.Y. Wu
- X.Y.Zhu([30]) — Xiang Yun Zhu