The Blue River, a feeder of the Ohio River in Indiana in the United States. The Blue River, a confluent of the Wisconsin River in Wisconsin in the United States. The Blue River, a feeder of the Red River in Oklahoma in the United States The Blue River, a affluent of the Colorado River in Colorado in the United States. The Blue River, a confluent of the San Francisco River in Arizona in the United States The Blue River, a feeder of the McKenzie River in Oregon in the United States. The Blue River, a feeder of the Missouri River in Missouri in the United States.

The Blue River is a river in the South Island of New Zealand.

The town of Blue River, Wisconsin in the United States The town of Blue River, Colorado in the United States The town of Blue River, British Columbia in Canada