{{Infobox Single
| Name = Fan Service (Sweet)
ファン・サーヴィス［sweet］
| Cover = Perfume Fan Service sweet.jpg
| Cover size =
| Border =
| Caption =
| Artist = Perfume
| Album = Game
| A-side = "Chocolate Disco"
| B-side = "Twinkle Snow Powdery Snow"
| Released = February 14, 2007
| Format = CD single, digital download
| Recorded = 2006
| Genre = J-pop, dance-pop, electropop
| Length =
| Label = Tokuma Japan Communications
| Writer = Yasutaka Nakata
| Producer = Yasutaka Nakata (中田ヤスタカ)
| Certification =
| Last single = "Electro World"
(2006)
| This single = "Fan Service (Sweet)"
(2007)
| Next single = "Polyrhythm"
(2007)
| Misc = {{External music video|"Chocolate Disco" on YouTube
{{External music video|"Twinkle Snow Powdery Snow" on YouTube
"Fan Service (Sweet)" (ファン・サーヴィス［sweet］, Fan Sāvisu [suīto]) is Perfume's ninth single. Single released from Perfume produced by capsule member Yasutaka Nakata. Includes bonus DVD with music videos for the A and B-sides plus comes in boxed packaging with a 20-page booklet.
In 2007 was released 100 limited copies non-commercial of a vinyl with the song "Chocolate Disco -extra mix-", the rarest Perfume's release.
CD track listing
- Chocolate Disco (チョコレイト・ディスコ)
- Twinkle Snow Powdery Snow
DVD track listing
- Region Code 2,NTSC
- Chocolate Disco (チョコレイト・ディスコ) Video Clip
- Twinkle Snow Powdery Snow Video Clip