Duluth High School is a public secondary school in Duluth, a suburb of Atlanta, Georgia, United States.

It provides education for grades 9-12 and is operated by Gwinnett County Public Schools.

The school was built in 1958 and serves Duluth, Berkeley Lake, Peachtree Corners, and unincorporated portions of western Gwinnett County.

DHS holds a Blue Ribbon School award.

Niche ranked Duluth as the most diverse public high school in Georgia and the 24th most diverse public high school in America.