Kirkland is a city in King County, Washington, United States. The population was 87,281 at the 2015 census estimate, which made it the 6th largest city in King County and the 12th largest city in the state.

The city's downtown waterfront has restaurants, art galleries, a performing arts center, public parks, beaches, and a collection of public art, primarily bronze sculptures.

Kirkland is the former home of the Seattle Seahawks; the NFL team's headquarters and training facility were located at Northwest University prior to 2008. Warehouse chain Costco previously had its headquarters in Kirkland (now in Issaquah); the city is the namesake of its "Kirkland Signature" store brand. Google has a development office in Kirkland.

The 1982 Kirkland National Little League team won the Little League World Series. That event is the subject of the ESPN 30 for 30 documentary Little Big Men. It also was the home to Little League's 1992 Big League Softball World Series Champions representing the Eastside District Nine Leagues. Since 1999 Kirkland has been the home of the Little League Junior Softball World Series held each August at Kirkland's Everest Park.

The land around Lake Washington to the east of Seattle was first settled by Native Americans. English settlers arrived in the late 1860s, when the McGregor and Popham families built homesteads in what is now the Houghton neighborhood. Four miles (6 km) to the north people also settled near what is now called Juanita Bay, a favored campsite of the Natives because a wild potato, "wapatos", thrived there. The Curtis family arrived in the area in the 1870s, followed by the French family in 1872. The Forbes family homesteaded what is now Juanita Beach Park in 1876, and settled on Rose Hill in 1877. Gradually, additional people settled in the area, and by the end of the 1880s, a small number of logging, farming and boat-building communities were established.

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