Chrissie Chau Sau-na (Chinese: 周秀娜; pinyin: Zhōu Xiùnà; Jyutping: Chau1 Sau3-na4; born 22 May 1985) is a Hong Kong actress and model.

In a TV commercial for the boutique, Chau rips off her clothes, revealing a bikini underneath, to 'stop the traffic' while she crosses the road in the business district of Central.

[5] Chrissie Chau was invited as a guest for a talk show at Hong Kong University of Science and Technology in late 2009, as part of a seminar series entitled "Knowledge Unlimited", aimed at widening students' horizons.

The university was in turn criticised by radio host Eileen Cha for choosing Chau for a seminar series entitled Knowledge Unlimited.

[7] In 2010, veteran Hong Kong actor Anthony Wong openly criticised and ridiculed pseudo-models, specifically Chrissie Chau, several times, calling them brainless and "bimbos".