Katherine Chancellor is a fictional character from the long-running soap opera, The Young and the Restless. She is known for her strong personality, sharp wit, and complex relationships with other characters. Katherine, often referred to as "Kay," is a wealthy businesswoman and matriarch of the Chancellor family, playing a significant role in the show's dramatic storylines. Throughout her time on the show, Katherine has faced numerous challenges, including family conflicts and personal struggles. Her character has been portrayed by several actresses, most notably Jeanne Cooper, whose performance earned her critical acclaim and a loyal fan base. Katherine's legacy continues to influence the series even after her character's passing.