Curtis Donnell Davis (August 7, 1968 – June 15, 2002), better known by his stage name Big Mello, was an American rapper from Houston, Texas.

Mello graduated from Madison High School, and in the early 1980s, he attended Texas Southern University, studying music and broadcasting. Mello would go on to sign to J. Prince's Rap-A-Lot Records label and debuted in 1992 with the album "Bone Hard Zaggin" and then in 1994 with "Wegonefunkwichamind."

Shea Serrano of the Houston Press said that Big Mello was famous for "repping Hiram Clarke in the 90s[...]"

On June 15, 2002, Davis along with a passenger died after Davis lost control of his vehicle and hit a pillar in the 4500 block of South Loop West (South Interstate Highway 610).