Here are a couple of links to get you started - just type in "Japanese last names" or "Japanese surnames" into your search engine for even more of them!
Some good, common Japanese surnames are Nakamura, Kobayashi, Satou, and Suzuki. Others are Mori, Ikeda, Maeda, Sakamoto, Fuji, and Ota.
Japanese last names that starts with letter "k" are: Katayama,Kanbara,Kato,Koyama,Kawaguchi,Komori,Kawamura,Kimura,koto,Kawa,Kayama,Kitagawa,Kitayama,Kisogawa,.
Kawasaki Satou Honda Kondo Watanabe Mori Mouri Someya
Japanese ninjas often used last names that reflect their clan or region, such as "Nakatomi," "Fujiwara," or "Yagyu." Other common names include "Hattori," associated with the famous ninja Hattori Hanzo, and "Kato." Additionally, many ninjas adopted aliases or titles that suited their missions or personas, further obscuring their true identities.
some long last names are tutiveiliartivacikouto, maekendakeledalevu, undansutiflagoder, and last rigyernistisky
bryant
Bulma's last name is Briefs. The names of all of her family members are parodies of some kind of underwear. For example, Trunks and Bra (Bulla's original Japanese name).
Namikiri, Tatsuya, Takumi
Yang-Yang
nikaela kate tala
Some of the Japanese names for a girl meaning fire or flame, include Akari, Seika, Meika, Tenkuu, Enju, and many more.
my bestfriend's name is Kira Some actually helpful names are Yuki, Hana, and Yui.