Baby Names Boy Names Meaning of the Name Kahiau Updated December 6, 2025 by Jennifer M. Kahiau Gender: Male Origin: Hawaiian Meaning: Very Generous, Giving ♥ Add to my Namelist What is the meaning of the name Kahiau? The name Kahiau is primarily a male name of Hawaiian origin that means Very Generous, Giving. People who like the name Kahiau also like: Silas, Saul, Keiji, Azrael, Khalil, Sirius, Elijah, Wren, Okalani, Kailani, Sile, Aaralyn, Lucy, Opal Names like Kahiau: Kaz, Kuzey, Kikuyo, Kesha, Kazuko, Kash, Kie, Kazuye, Kyoko, Kozuye, Kazuha, Kaiko, Kia, Kahawai, Kayoko, Kiyoko, Kiku, Kayce, Kiho, Kiasax, Kiojah, Kohei, Kious, Keiji, Kasai, Kesia, Kasa, Keziah, Keawe, Kees Stats for the Name Kahiau Kahiau is currently not in the top 100 on the Baby Names Popularity Charts Kahiau is currently not ranked in U.S. births