Aiko is a very common Japanese name with a lovely meaning that is rarely heard outside the Asian community.

Aiko

Akira is a popular Japanese name for both sexes that's migrated to the West because of its appearance in manga and video games.  Akiro is a related name popular for boys.

Akira

The Spanish form of Amaya is both a given name and a surname, originating from the Spanish mountain and village of Amaya. In this context it means "mother city" or "the capital." Amaya can also be considered a derivation of Amaia, a Basque name meaning "the end." In Japan, Amaya is a surname.
 
Actors Mariska Hargitay and Peter Hermann are the parents of a young daughter named Amaya Josephine.

Amaya

Aya, barely more than a breath, is an international favorite, with origins in several languages and cultures. Popular throughout Europe, It debuted on the US Top 1000 in 2012.
 In the entertainment industry, Aya has two international bearers: Aya Korem, an Israeli singer-songwriter, and Aya Liu, a Taiwanese actress. And actress Hilary Swank named her twin daughter Aya (and her son Ohm).
 
Aya is also a Danish name (a creative spelling of Aja) and is a highly popular choice there.
 In Arabic, Aya meaning "sign, evidence" or "verse" and is a popular name in the Muslim community.

Akiko

Benjiro

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

Chiyo

Chiko

Danno

Many things to many peoples: a flower name, also spelled Hanae, to the Japanese; a Czech and Polish short form of Johana; and an alternate form of the biblical name Hannah in the US. It also means "craft, work" in Hawaiian and "glow" in Maori.

Hana

Several artistic Hiroshis make this one of the more plausible Japanese imports. 

Hiroshi

Commonly used Japanese name -- and not only for a second son. 

Jiro

One of the currently trendy Kaia-Maya-Mia family, deriving either from an elaboration of Kay or an alternative spelling of Kaia, a Scandinavian diminutive of Katarina.

Kaya

Japanese classic with optimistic meaning. 

Keiko

One of several Japanese names that refer to a child's place in the family birth order. Kenji has attracted notice in the US as the name of The Food Lab chef, James Kenji López-Alt, know simply as Kenji.

Kenji

Kimiko

One of the most familiar and attractive Japanese names, though rarely heard outside that culture. 

Kyoko

Kaemon

Maiya

Minoru

Michio

Miyuki

Renjiro

Zodiac's list "Japanese Names for You" of 24 great name ideas: Aiko - Renjiro!

Japanese Names for You

This is a list of Japanese names for your child or even your pet that I have found. Have fun with it!