Ayaki

A popular Japanese name used for the young heroine of the animated film, "Spirited Away."

Chihiro

The childhood name of the heroine of <em>Memoirs of a Geisha</em> is pretty and accessible.  Chiyiko is a pet form.

Chiyo

Chiyui

Chizu

Common name in Japan primarily associated with Hitomi (Furuya), a mononymous Japanese singer.

Hitomi

Seen as both a given name and a surname in Japan. There was a Princess Izumi in eighth-century Japan, forbidden from marriage as her older sisters had already been paired off with the Emperor's sons. 

Izumi

Ikumi

Keiji

Keitaro

Kohei is one Japanese name that could easily be used by English speakers.The fact that it's the name of world champion gymnast Kohei Uchimura doesn't hurt its popularity.

Kohei

Koji, also written as Kōji, is a common name among men in Japan. It is also featured as a character name in many anime series.

Koji

Kurumi

Kentaro

Kiyo

Kumi

Kura

Short and sweet alternative to Mia, Mila, Maya, et al.

Miyu

Mihira

Miyo

Rusa

Ruyo

Ryouhi

Ryuhei

Ryumi

Sayuri

Saki

Takuma

Umiyo

An appealing Asian name with a nickname feel. 

Yuki

Yusei

Yuhei

Yumeno

Yumi

Yuyune

suzukican's list "Favorite Japanese Names - Contemporary" of 35 great name ideas: Ayaki - Yuyune!

Favorite Japanese Names - Contemporary

A few of my favorite Japanese names, NOT including those found in my own family tree.