Silvia Beatriz Guazzini Monsalve (born December 22, 1953 in Santiago), best known as Coca Guazzini, is a Chilean television, theatre and film actress. Studied theatre at Universidad de Chile. She appeared in some popular Chilean telenovelas like Sucupira, Aquelarre and Tic-Tac. In 2002 Coca Guazzini won the Apes Award for "Best Actress".

One of her most recognized roles is Pía Correa Gumucio, of the comedy show Los Eguiguren.