|Native title||プッチベスト20 2020|
|Released||January 8, 2020|
|Previous||Petit Best 19 (2018)|
Petit Best 20 2020 (プッチベスト20 2020) is the 20th volume of Hello! Project's Petit Best series, which are annual compilations released at the end of the year, with an occasional remix or new song included. It will be released on January 8, 2020.
The CD album comes with three discs, with each disc containing tracks chosen by currently active members of Hello! Project at the time of the album's release. The Blu-ray comes with 25 music videos and 29 live clips.
- Morning Musume '20, Kobushi Factory Member Selection
- ANGERME, Tsubaki Factory Member Selection
- Juice=Juice, BEYOOOOONDS Member Selection
Until the tracklist is determined, all Hello! Project members who participated in a 2019 release are listed below.
- This is the first Petit Best album since Petit Best ~Ki Ao Aka~ to not be released in December, but in the following year instead.
- Coincidentally, it celebrates the 20th anniversary of Petit Best series since it was released on 2000.
- This is the first Petit Best album to contain more than one CD, and the first Petit Best album to have tracks chosen by the members themselves.
- This is the first Petit Best album to feature ANGERME 7th generation members Oota Haruka and Ise Layla, 8th generation member Hashisako Rin; Juice=Juice members Kudo Yume and Matsunaga Riai; and BEYOOOOONDS members Hirai Miyo, Kobayashi Honoka, and Satoyoshi Utano.
- This is the last Petit Best album to feature ANGERME 1st generation member Wada Ayaka, 2nd generation members Nakanishi Kana and Katsuta Rina; Juice=Juice member Miyazaki Yuka; and Country Girls members Yamaki Risa, Ozeki Mai, and Yanagawa Nanami.