Troutdale is a city in Multnomah County, Oregon, United States, immediately north of Gresham and east of Wood Village. As of the 2020 census, the city population was 16,300. The city serves as the western gateway to the Historic Columbia River Highway, the Mount Hood Scenic Byway, and the Columbia River Gorge. It is approximately 12 miles (19 km) east of Portland.

Reynolds High School is the only public high school in Troutdale, Oregon, United States, in the northeastern part of the Portland metropolitan area. It is part of the Reynolds School District, and is the second-largest high school in Oregon.