In the entire world, Kaihau (Kaihau 
) is an extremely rare boy's forename. More prevalently, Kaihau is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kaihau | United Kingdom, Australia, United States, India, New Zealand |
|
hēnare kaihau New Zealand politician, NZ (b. 1855) |
|
Da, Puaha, David, Diane, Tohuia, Napie, Harry, Floyd, Marley, Silipa, Siaosi, Alison, Robert, Rhonda, Jaedan, Neomai, Metiria, Michael, Mikayla, Cameron, Corrine, Kaitlyn, Alisi, Soane, Sonny, Seini, Sam, Ben, Pua, Mano, Mote, Sioi, Alan, Kasi, Keri, Kiri, Ruperta, Ryan, Lile, Lolo, Luke, Toni, Tina, Hans, Marie, Matiu, Malia, Susan, Leia, and Lesieli