The December 30, 2004 Edition of Smackdown is a Professional wrestling television show of World Wrestling Entertainment, which took place on December 28, 2004 at the Lakefront Arena in New Orleans, Louisiana. The alternate episode title was SmackDown! Night of Champions.
- Numbers in parentheses indicate the length of the match.
- (c) refers to the champion(s) heading into the match.
- John Cena (c) defeated Rene Dupree to retain the WWE United States Championship (3:56)
- Kurt Angle defeated Matt Striker in a Kurt Angle Invitational Match (0:48)
- John Bradshaw Layfield (c) defeated Shannon Moore to retain the WWE Heavyweight Championship (0:18)
- Funaki (c) vs. Spike Dudley to retain the WWE Cruiserweight Championship (3:05)
- Rey Mysterio & Rob Van Dam (c) defeated Booker T & Eddie Guerrero to retain the WWE Tag Team Championship (21:30)