Baby Names Boy Names Meaning of the Name Kahiau Updated November 7, 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: Saul, Khalil, Elijah, Silas, Sirius, Keiji, Azrael, Okalani, Lucy, Opal, Aaralyn, Wren, Sile, Kailani Names like Kahiau: Kagiso, Kiyoye, Kazuye, Kawehi, Keoki, Kasia, Kazushige, Kazuaki, Kaycee, Keizo, Kessie, Kish, Keshia, Kwasi, Keahi, Kai, Kie, Kaja, Ko, Kasa, Kawai, Kezia, Koko, Keisuke, Keeya, Keyah, Kissa, Koji, Kesha, Kiyohiko 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