L.A.M.B. is a fashion line by American singer Gwen Stefani, the lead vocalist of the rock band No Doubt. The line manufactures apparel and fashion accessories. It was founded in 2003 and made its runway debut in 2004. The fashion line manufactures accessories like shoes, watches, bags and a fragrance called "L." The name is an acronym of her debut solo album Love. Angel. Music. Baby.

The line was influenced by a variety of cultures fashions, including Guatemalan, Japanese, Indian and Jamaican styles. Stefani came from a family of seamstresses. This further inspired her to launch her own fashion line. The line achieved popularity among celebrities and was worn by stars such as Teri Hatcher, Nicole Kidman, Paris Hilton and Stefani herself. The fashion line made a runway debut in the spring collection of 2004 and achieved mainstream success at New York Fashion Week in 2005. At one point, its annual gross income was $90 million. An additional fashion line, called Harajuku Lovers, was subsequently launched by Stefani.