Not Yet a Woman (Chinese: 半熟宣言; pinyin: Ban Shu Xuan Yan), is Taiwanese Mandopop artist Rainie Yang's (Chinese: 楊丞琳) fourth Mandarin studio album. It was released by Sony Music Taiwan on 7 November 2008.

It features the ending theme song "帶我走" (Take Me Away) and insert song "太煩惱" (Too Much Trouble) of Taiwanese drama Miss No Good, starring Yang, Wilber Pan and Dean Fujioka. The track "太煩惱" (Too Much Trouble) is a cover song of German Alternative Rock band Wir sind Helden.