Women's Small Business Programs Improvement Act of 2003

Women's Small Business Programs Improvement Act of 2003 - Amends the Small Business Act to add specified responsibilities of the Assistant Administrator of the Office of Women's Business Ownership (Office), including the development of programs and services for women-owned businesses that provide goods or services in the areas of manufacturing, technology, professional services, travel and tourism, international trade, and Federal Government contract business development.

Authorizes the Small Business Administration (SBA) to award Women's Business Center grants for three-year projects for the benefit of small businesses owned and controlled by women. Sets forth provisions concerning: (1) contract authority; (2) a matching funds requirement; and (3) application requirements, including submission of a three-year plan for grant use.

Amends the Women's Business Ownership Act of 1988 to authorize the National Women's Business Council to enter into cosponsorship agreements with public and private entities to carry out its duties. Establishes within the Council the Committee on: (1) Manufacturing, Technology, and Professional Services; (2) Travel, Tourism, and International Trade; and (3) Federal Procurement and Contracting. Establishes subcommittees with the same names within the Interagency Committee on Women's Business Enterprise, as well as a Policy Advisory Group.Requires the Deputy SBA Administrator to serve during vacancies in the position of chairperson of the Interagency Committee.