Ultra Q: Dark Fantasy (2004)
- Genre: Sci-Fi & Fantasy
- First Air Date: 2004-04-07
- Last Air Date: 2004-09-29
- Total Seasons: 1
- Total Episodes: 26
- Status: Ended
- Episode Runtime: 24 min.
- Production Company: TV Tokyo
- Production Country: Japan
- Network: TBS
Ultra Q: Dark Fantasy is a 2004 production, and the 19th installment in the Ultra Series that was broadcast in Japan in 2004. It is a sequel to Ultra Q, the first of the Ultra Series. It retains the same swirling effect for the titlecard, but with the words "Dark Fantasy" added underneath, the title also remains black and white.
