Walla Walla is the largest city and the county seat of Walla Walla County, Washington, United States.

The population of the city itself was 31,731 at the 2010 census. The population of Walla Walla and its two suburbs, the town of College Place and unincorporated East Walla Walla, is about 45,000. Walla Walla is in the southeastern region of Washington, approximately four hours away by car from Portland, Oregon, and four and half hours from Seattle, and only 6 mi (10 km) north of the Oregon border.

Walla Walla is the home of the Wishy Washy Washing Machine Company (referenced in 1955's This is a Life?) as well as The Ace Novelty Company (referenced in 1956's The High and Flighty).

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