Yuki Kashiwagi (柏木 由紀, Kashiwagi Yuki, born July 15, 1991) is a Japanese idol, singer and actress. She is a member of the Japanese idol girl group AKB48 and a former member of NMB48 and NGT48. She auditioned for AKB48 on December 3, 2006, and is now a member of AKB48's Team B. She was previously the captain of Team B before she was replaced by Ayaka Umeda as the captain. She was also a member of AKB48 sub-group French Kiss. Her talent agency is Watanabe Productions. Her nickname is Yukirin.