Grand Ronde is a census-designated place (CDP) and unincorporated community in Polk and Yamhill counties, Oregon, United States. Historically noted as a village in Polk County, the sphere of influence and community is in both Polk and Yamhill counties. The name of the community is a variation of the French Grande Ronde or "Grand Round" which could be about the large round-up of Native American peoples in the area who were settled on what was known as the Grand Ronde Indian Reservation, or possibly referencing the shape of the valley in which the community is located. As of the census of 2010, there were 1,661 people in 658 households residing in Grand Ronde. It is part of the Salem Metropolitan Statistical Area.

Polk County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 87,433. The county seat is Dallas. The county is named for James Knox Polk, the 11th president of the United States.