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