Gangsta may refer to:

• Gangsta rap, a subgenre of hip hop music that evolved from hardcore hip hop and purports to reflect urban crime and the violent lifestyles of inner-city youths
• Gangster, a member of a gang
• Hip hop fashion, a style of dress associated with gangsta rap and other hip hop genres

, stylized as GANGSTA., is a Japanese manga series written and illustrated by Kohske. It has been published in Shinchosha's Monthly Comic @BUNCH magazine since 2011. The series has inspired a spin-off manga, an audio drama series, an anime television series, and an original novel.