María Carolina Arregui Vuskovic (born August 26, 1965) is a Chilean television actress of Croatian and Basque descent.

In 1993, Arregui left her acting career for personal reasons, within a turmoil of controversy regarding her own marriage to Chilean TV director, Oscar Rodríguez.

The same year, she acted in the comedy play Entre Brujas, starring along fellow actresses Rosita Nicolet, Liliana García, Tichi Lobos and Loreto Valenzuela.

In 2008, she played Maira Acevedo in Don Amor, filmed in Puerto Rico and broadcast in both the island and in Chile.

In 2010, Arregui was crowned as queen of the 2010 Viña del Mar International Song Festival, voted by the media covering the event.