- Xa, Xae,
- Xander, Zander, Zaunder
- Xavier, Xaver, Zavier
- Xenakis, Zenakis, Xenaukis
- Xi, Xie
- Xian, Xiann
- Xiang, Xiange
- Xiangyu, Xiangyue
- Xiao, Ziao
- Xiaoyu, Xiaoyue
- Xigues, Xiguis
- Ximenez, Zimenez
- Xing, Zing, Xinge, Zin
- Xiong, Bear, Chinese Bear
- Xu, Xue
- Xuan, Xuann
- Xuannguyen, Zuannguyen
