The January 15, 2004 Edition of Smackdown is a Professional wrestling television show of the WWE's Smackdown brand, which took place on January 13, 2004 at the Mohegan Sun Arena in Uncasville, Connecticut.
- Numbers in parentheses indicate the length of the match.
- (c) refers to the champion(s) heading into the match.
- Non Title Winners Enter The Royal Rumble Match: The World's Greatest Tag Team (Charlie Haas & Shelton Benjamin) defeated The Basham Brothers (Danny Basham & Doug Basham) (w / Shaniqua) (3:59)
- Winner Enters The Mini Royal Rumble Battle Royal: Nunzio defeated Chuck Palumbo and Johnny Stamboli (2:21)
- ECW Rules Loser Gets His Mouth Washed With Soap Match: John Cena defeated Rhyno (w / Paul Heyman) (17:16)