Surname Xiaotian (Xiaotian 
, 小田 , 小添 ) , worldwide, is quite a rare family name. The surname Xiaotian is characteristic of China, where it is a rare surname, Singapore, where it is a very rare surname, and Malaysia. Measured by absolute frequency, it most frequently occurs in China, Malaysia, and the United States. More frequently, Xiaotian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Xiaotian | Cyprus, China, Australia, Taiwan, United States |
| 小添, 小田 | China |
| Хиаотиан | Russia |
呺恬, 哓天, 哓田, 哮天, 啸天, 啸添, 啸甜, 啸田, 啸畋, 嘯天, 孝天, 孝添, 孝甜, 孝田, 孝菾, 宵天, 宵添, 宵田, 小兲, 小填, 小天, 小忝, 小恬, 小湉, 小甛, 小甜, 小畋, 小鍩, 小阗, 小餂, 效天, 效添, 效甜, 效田, 斅天, 晓填, 晓天, 晓婖, 晓恬, 晓添, 晓湉, 晓甜, 晓田, 晓畑, 晓鈿, 暁天, 暁甛, 曉兲, 曉天, 曉恬, 曉添, 曉甜, 曉田, 枭天, 枵天, 校天, 校添, 校甜, 校田, 潇填, 潇天, 潇恬, 潇添, 潇湉, 潇甜, 潇田, 皛天, 皢天, 笑天, 笑恬, 笑添, 笑湉, 笑甜, 笑田, 笑菾, 笑阗, 筱填, 筱天, 筱恬, 筱沺, 筱添, 筱湉, 筱甜, 筱田, 箫天, 翛湉, 肖天, 肖添, 肖甜, 肖田, 肖阗, 萧填, 萧天, 萧添, 蕭天, 虓田, 逍天, 霄天, 霄阗, 骁天, 骁添, and 骁甜