Mosaic.wav (モザイクウェブ, Mozaiku Webu) (stylized MOSAIC.WAV) is a Japanese moe-pop band from Akihabara, widely known for doing theme songs to eroge, they eventually began to produce their own original work in 2004.

[1] The band is named after the digital sound file format WAV.

MOSAIC.WAV is fronted by vocalist MI-KO, with keyboardist Susumu Kayamori and guitarist Masaya Koike backing her up.

They dubbed their own music as Akiba-Pop, J-pop covered by numerous Akihabara cultural references, this including fantasy anime and video game themes.

This article about a Japanese band or other musical ensemble is a stub.