Cognomen Hongtao (Hongtao 
, 洪滔 , 洪桃 ) , worldwide, is quite a rare surname. The last name Hongtao is characteristic of Taiwan, where it is a rare surname, Singapore, and China, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in China, Taiwan, and Saudi Arabia. Much more prevalently, Hongtao is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hongtao | Indonesia, China, Saudi Arabia, Taiwan, United States |
| 洪桃, 洪滔 | China |
| Хонгтао | Russia |
Хунтао, 哄涛, 宏套, 宏弢, 宏桃, 宏涛, 宏滔, 宏濤, 宏瑫, 宏陶, 宏韬, 弘弢, 弘涛, 弘滔, 弘韬, 泓弢, 泓涛, 泓淘, 泓滔, 泓陶, 泓韬, 洪套, 洪弢, 洪慆, 洪洮, 洪涛, 洪淘, 洪濤, 洪萄, 洪陶, 洪韬, 浤涛, 澒涛, 烘涛, 烘滔, 烘韬, 竑弢, 竑涛, 竑韬, 紅桃, 紅涛, 紅濤, 红套, 红桃, 红涛, 红淘, 红滔, 红讨, 红陶, 红韬, 翃滔, 葒夲, 虹桃, 虹涛, 虹滔, 虹陶, 虹韬, 讧涛, 鈜韬, 闳弢, 鴻涛, 鴻濤, 鸿弢, 鸿桃, 鸿涛, 鸿淘, 鸿滔, 鸿瑫, and 鸿韬