Nicky Nichols is a fictional character from the television series Orange Is the New Black, which is based on the memoir by Piper Kerman. She is portrayed by actress Natasha Lyonne and is known for her witty personality and struggles with addiction. Nicky is a recurring character in the series, navigating life in a women's prison while forming complex relationships with other inmates. Throughout the show, Nicky's backstory reveals her challenges with substance abuse and her attempts to find redemption. Her character often provides both comedic relief and poignant moments, highlighting the realities of incarceration and the impact of personal choices on one's life.