- Main article: Hello! Project
The following is a list of auditions held for Hello! Project.
Auditions
| Audition Title | Date | Requirements | Total Applicants | Result |
| 1st Morning Musume & Heike Michiyo Protegee Audition | February, 1999 | 3,264 Auditionees | Miyoshi Chinatsu | |
| 2nd Morning Musume & Heike Michiyo Protegee Audition | May 12, 1999 | Application details were included with Morning Musume's 5th single Manatsu no Kousen*second interview in June 1999 | 4,000 Auditionees | Saito Hitomi, Murata Megumi, Ohtani Masae and Shibata Ayumi (see Melon Kinenbi) |
| 3rd Morning Musume & Heike Michiyo Protegee Audition | September 9, 1999 | Application details were included with Morning Musume's 7th single LOVE Machine*second interview in November 1999 | Unknown Auditionees | None |
| 4th Morning Musume & Heike Michiyo Protegee Audition | May 17, 2000 | Application details were included with Morning Musume's 9th single Happy Summer Wedding*second interview in June 2000 | 1,500 Auditionees | Matsuura Aya, also selected: Sheki-Dol (who debuted earlier than Aya) |
| Pacific Dream Pop Singer Contest | Held in Hawaii in November 1998 | 1,500 Auditionees | Ayaka, Mika Todd, Chelsea Ching, April Barbaran and Danielle Delaunay passed the examination by Makoto of Sharan Q (see Coconuts Musume) | |
| Hello! Project Kids Audition | Applicant recruitment via Hello! Morning in 2002 | 27,958 Auditionees | 15 people (see Hello! Project Kids) | |
| Hello Pro Egg Audition | Applicant recruitment via Hello! Morning in 2004 | 10,570 Auditionees | 32 people, including Okada Yui of v-u-den and 4 futsal trainees of Gatas Brilhantes H.P. (see Hello Pro Egg) | |
| Hello! Project Kansai Audition 2005 | October 24 to November 21, 2005 | Applicant recruitment via Hello! Morning in 2005 | Unknown Auditionees | Iwashima Manami, Abe Asami, Nakayama Nana, and Suma Ai (see Hello! Pro Kansai) |
| Hello! Project Korea Auditions | Unknown Auditionees | Jang Da Yeon | ||
| Hello! Project "Hokkaido Gentei" Member Audition | May 15 to June 14, 2015 | 400+ Auditionees | Ota Haruka, Sato Hikari, Ishiguri Kanami, Kawano Minori, Kitagawa Ryo, Kudo Yume, Yamazaki Mei |