Undaground Legend is the second solo studio album by American rapper Lil' Flip.

Production was handled by Young Sears, Ke'Noe, Bigg Tyme, Tommy Granville Jr, Chop Shop Productions, David Banner, Joe Traxx, Kojak, Mr. Mixx, Slugger, and Lil' Flip himself, who also served as executive producer together with Hump.

It features guest appearances from Lil' Ron, Big T, Bizzy Bone, David Banner, Seville, Yung Redd, Big Shasta, Chamillionaire, C-Note, Juvenile and Skip.

It was certified Platinum by the Recording Industry Association of America on December 3, 2002 for selling 1,000,000 copies in the US alone.

A sequel to the album, Underground Legend Part 2, was released in 2009 via Clover G Reords.