Surname Kaihwa (Kaihwa 
) , globally, is a very rare family name. The family name Kaihwa is habitual in Tanzania, where it is a very rare surname, and China, where it is an extremely rare surname. Much less frequently, Kaihwa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaihwa | China, United States, Tanzania |