2014 is the year that Morning Musume changed their name to Morning Musume '14.
Members
- January 1:
- Morning Musume becomes Morning Musume '14.
- Mitsui Aika goes on hiatus from Hello! Project.
Singles
- January 29: Egao no Kimi wa Taiyou sa / Kimi no Kawari wa Iyashinai / What is LOVE? - Morning Musume
- February 19: Otona na no yo! / 1-Oku 3-Senman sou Diet Oukoku - Berryz Koubou
- March 5: Arashi Tatsumaki Hurricane - COLORS
Albums
- January 1:
- February 12: erika - Umeda Erika (debut)
- February 19: kick start - Shibata Ayumi (debut)
- February 26: Berryz Koubou Special Best Vol.2 - Berryz Koubou
DVD Singles
- January 11: "Event V" Ee ka!? / "Ii Yatsu" - S/mileage
DVDs
- January:
- February:
- February 5: Warera Jeanne ~Shoujo Seisen Kageki~ DVD
- TBA:
- Hello! Project COUNTDOWN PARTY 2013 ~GOOD BYE & HELLO!~
- Hello! Project DVD magazine vol.40
Concerts
- January 2 - February 16:
- January 23 - May 25: S/mileage Concert Tour 2014 Haru ~Smile Charge~
- February 23 - March 9: Hello Pro Kenshuusei Happyoukai 2014 ~2gatsu・3gatsu no Nama Tamago Show!~
- March 15 - April 27: Morning Musume Concert Tour 2014 Haru
- March 29 - March 30: Hello! Project Hina Fest 2014
Events
- January 7: Ishida Ayumi Birthday Event 2014
- January 20 - January 27: Berryz Koubou ANNEX Event ~3 HAPPY DAYS!!! vol.2~
- February 5 - February 7: Yajima Maimi, Nakajima Saki, Hagiwara Mai Birthday Event 2014
- March 14 - March 23: Musical Bokutachi Karen na Shounen Gasshoudan
- March 29 - March 30: Forest For Rest ~SATOYAMA e Ikou~ 2014
Photobooks
- January 25: Alo! Hello ℃-ute Photobook 2014
Other
- January 1: Morning Musume changes its name to Morning Musume '14
- October 10: Second annual JuuJuu (Juice=Juice) day