Under Construction is the fourth studio album by the American rapper Missy Elliott, released by The Goldmind Inc. and Elektra Records on November 12, 2002, in the United States. The album was primarily produced by Timbaland, with additional production by Craig Brockman, Nisan Stewart, Errol “Poppi” McCalla and Elliott herself.

The album debuted at number three on the US Billboard 200 chart, selling 359,000 copies in its first week. It was also certified double platinum by the Recording Industry Association of America (RIAA). The album received Grammy Award nominations for Best Rap Album and Album of the Year. Elliott dedicated the album to Aaliyah (who had died on August 25, 2001) and to victims of the September 11 attacks. The album includes the singles “Work It”, “Gossip Folks”, and “Back in the Day”.