Rita Lau Ng Wai-lan is a Hong Kong former civil servant. She was appointed Secretary for Commerce and Economic Development in July 2008 after her predecessor Frederick Ma resigned due to health reasons. Coincidentally, ill-health also forced her resignation from this position on 8 April 2011, following an operation to remove a colon tumour.

The Secretary for Commerce and Economic Development heads the Commerce and Economic Development Bureau of the Hong Kong Government. The Secretary is responsible for promoting commerce and the economic development of Hong Kong. The position was created in 2007 by merging the previous portfolios of the Secretary for Commerce, Industry and Technology and the Secretary for Economic Development and Labour.