Gavy NJ () is a South Korean girl vocal group that debuted in 2005. The vocal group is currently managed by DSP Media, composed by their fifth generation members that joined in 2025: Naye, Luan, Riel and Yesan.
In 2006, their original label Goodberry Entertainment formed seven-members project group with including Gavy NJ as "Gavy NJ Project Group H7 Miin" prior to renamed as "H7 Miin Project The b" in 2010.
In 2009, original member Jung Hye Min left the group and was replaced by Misty. On November 17, 2011, original member Hee Young was announced to leave the group after finishing the promotion of the digital single "Gaseyo". In April 2012, Misty had left the group and would replaced by additions two new members. Their last original member Sihyun left from the group after her contract had expired in 2016 and was replaced by Seorin.
In December 2022, Jenny announced through her social media that she, Geonji and Seorin had ended their contract with GoodFellas Entertainment in March 2022. Later that months, following the merger of Good Fellas to DSP Media, the vocal group also transferred to DSP with no member. On May 8, 2023, DSP Media officially announced the audition to find new members for Gavy NJ.
On June 30, 2025, Gavy NJ began their activities with release special soundtrack "I Resemble You" for Wavve's drama Namju Research.
In August 2025, DSP Media introduced the fifth-generation member of the vocal group.Gavy NJ officially returned, releasing The Gavy NJ on September 10, which contains three-tracks that are remakes of their previous release.