What Sound is the third album by English electronic music group Lamb, released in October 2001.

The first single to be released from the album was "Gabriel", and it reached number 1 in Portugal.

[2] Original members Andy Barlow and Lou Rhodes are joined by session musicians Arto Lindsay on guitar, Me'Shell NdegéOcello on bass, and Michael Franti with additional vocal work.

The track "Heaven" was used frequently on the HBO television series Six Feet Under.

What Sound received generally positive reviews from music critics.