If you want to say "I am Hawaiian" in Hawaiian:
* ʻO wau he Hawaiʻi. (pronounced: oh wow hey hah-why-ee)
If you want to say "I am from Hawaii" in Hawaiian:
* He kamaʻāina au o Hawaiʻi. (pronounced: hey kah-mah-ah-ee-nah ow oh hah-why-ee)
If you want to say "I am Hawaiian (as in, I have Hawaiian ancestry)" in Hawaiian:
* He Hawaiʻi koʻu koko. (pronounced: hey hah-why-ee koh-oo koh-koh)
Important Note: "Hawaiian" is a language and a cultural identity. Using the language shows respect for the culture. It is important to pronounce words correctly and use the proper form of address.