The seventh gubernatorial election for the city of Bangkok, Thailand was held on August 29, 2004, to determine the governor of Bangkok. The Democrat Party's candidate, Apirak Kosayodhin, won 36.86 percent of the vote. Of a total of 3,955,855 voters, 2,472,486 people voted, a turnout rate of 62.50 percent. Samak Sundaravej, the incumbent governor, did not seek to run for a second term and ran instead in the 2006 Thai Senate election.

The Bangkok Metropolitan Administration (BMA) is the local government of Bangkok, which includes the capital of the Kingdom of Thailand. The government is composed of two branches: the executive and the legislative. The administration's roles are to formulate and implement policies to manage Bangkok. Its purview includes transport services, urban planning, waste management, housing, roads and highways, security services, and the environment.