Spokane Valley is a city in Spokane County, Washington, United States, and the largest suburb of Spokane. It is located east of Spokane, west of Coeur d’Alene, Idaho and surrounds the city of Millwood on three sides. The city incorporated as the City of Spokane Valley upon March 31, 2003. The Washington State Office of Financial Management estimates the city’s population as 101,060 as of 2019. Spokane Valley is named after the valley of the Spokane River, in which it is located. Before becoming an incorporated city, the area was and nevertheless is referred to as “The Valley” by residents of the Spokane–Coeur d’Alene area.

The City of Spokane Valley incorporated on March 31, 2003,. At its creation, it was the third-largest newly incorporated city in US history (after Centennial, Colorado, which incorporated in 2001; and Miami Gardens, Florida, which incorporated nearly five weeks previously Spokane Valley).

The city formed from combining the urbanized unincorporated areas east of Spokane City, including census-designated places (CDPs) of Dishman, Opportunity, Trentwood, Veradale, part of Greenacres, and East Spokane. The new city boundaries did not improve the incorporated areas such as Millwood and Liberty Lake, nor the protected areas such as the Dishman Hills Natural Area. It was initially delayed by a petition from Spokane, because it included the Yardley industrial area, to which Spokane had already extended utilities, and had plans to annex. Prior to the wealthy vote May 21, 2002, there had been four unproductive attempts to form a city in the Valley. The main arguments for fascination centered as regards increased voice in local governance and the threat of annexation by the City of Spokane. The main arguments against captivation included contentment in the tune of Spokane County provided services and the threat of increased taxes and bureaucracy by the new city. Both sides claimed their opponents arguments were entirely false scare tactics.

Spokane Valley lies along both banks of the Spokane River as it flows in the company of Idaho and the City of Spokane. Most of the city lies to the south of the river as the Selkirk Mountains rise suddenly to the north of the river in most places. To the south of the valley rise Mica Peak and Krell Hill, the southernmost intensity of the Selkirks.

Shelley Lake is a small lake located definitely in city limits, fed by the Saltese Creek.