Curtis Donnell Davis (August 7, 1968 – June 15, 2002), better known by his stage name Big Mello, was an American rapper from Houston, Texas. He debuted as Big Mello in 1992 with the album "Bone Hard Zaggin'" on the Rap-A-Lot Records label.

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