Nasha Aziz started her career as a model in 1989. She was introduced to the modelling industry by actress and model Tiara Jacquelina. She continued to build her fame as a model in Malaysia and declined an offer of a New York modelling contract because of religious and cultural factors. She modeling in Hong Kong and London and then branched out into acting.

Nasha was given the title of Malay number one supermodel and an icon. She appeared in commercials there for products such as Nescafe Classic, Avon, Pantene and Panasonic.

Presently, Nasha is the face of Avon and Polo Ralph Lauren in Malaysia. This is her third year (2010) as the face of fashion giant Polo Ralph Lauren. In a recent interview, Nasha stated that she is more focused on her modelling than acting career for now. She is involved in a few modelling events such as a Bridal Showcase in Penang at the end of May 2010 and followed by an event in Shanghai, China in June 2010.