Rollin' is the seventh extended play by South Korean boy group B1A4. It was released on September 25, 2017, by WM Entertainment and distributed by LOEN Entertainment. The EP consisted of six tracks with the title track "Rollin'". This is also the last album with the members Jinyoung and Baro, before their departure from the group in June 2018.

B1A4 (Korean: 비원에이포) is a South Korean boy band formed by WM Entertainment. The group debuted on April 23, 2011, with the single "O.K" from the EP Let's Fly, after being introduced to the public through a webtoon. They have released nine studio albums and seven EPs, as well as four compilation albums. The group had considerable commercial and critical success in both the Korean and Japanese markets. They have also toured in the United States.