"NoNoNo" is a song by South Korean girl group Apink. It was released on July 5, 2013 with their third EP, Secret Garden, and is composed by Shinsadong Tiger and Kupa. It had been 14 months since their last album Une Année was released, and it was the first time the group promoted with six members after Hong Yookyung left the group in April. "NoNoNo" was the group's highest charting single, peaking at number 2 on 'Billboard's K-Pop Hot 100. A Japanese version of the song was released on October 22, 2014, with lyrics by Japanese lyricist PA-NON.

On July 3, 2013, it was stated that the title track of Secret Garden was to be named "NoNoNo" in a preview of their upcoming music video for their song. "NoNoNo" highlighted Apink's clean and pure image, a healing song that will appeal across all ages and genders. Instead of going with the trend of sexy concepts, Apink stuck with their "bright and innocent" concept that reminds people of 90's old-school girl groups. Chris Choi from MTV commented "With all the ultra sexy releases we’ve been getting this summer, “NoNoNo” feels like a breath of fresh air."

“NoNoNo” was written by Shinsadong Tiger, who had previously worked with the group for “My My” and “Wishlist”, and it was also co-composed by Kupa. The song blends the sound of funky guitar rhythm and string melodies that are perfect for the Spring season. In addition, lyrics in the chorus, "Don't be sad no no no, You're not alone no no no", are accompanied by an addictive melody. Jeff Benjamin of Billboard put the song in the bubblegum pop genre, and noted it's "unexpected, but much welcomed, funky dance sections".

"NoNoNo" is intended to be a "healing song". The lyrics were written with the thought of giving strength and courage for people who listen to it and to give a positive message to the important person in their life. The lyric are not only intended for lovers but also for family and friends. In an interview with Excite, Hayoung said, "This is a song that can give strength to various people, be it family, lovers or friends. I think it has a healing effect when you're feeling tired. Each and every word of the lyrics has deep meaning. As the way you think of the song will change depending on when you listen to it, when you're a little tired the song might have a sad feel, also if you listen to it at other times it might provide encouragement. There are lyrics have phrases like 'I will absolutely not leave you even if everyone is leaving', and I think it has very good meaning."

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