HRHS

HRHS may refer to:
 * Hypoplastic right heart syndrome, a rare congenital heart defect

Schools

 * Hampshire Regional High School, Westhampton, Massachusetts, United States
 * Hickory Ridge High School, Harrisburg, North Carolina, United States
 * Highlands Ranch High School, Highlands Ranch, Colorado, United States
 * Holy Redeemer High School, Wilkes-Barre, Pennsylvania, United States
 * Holy Rosary High School (New Orleans), Louisiana, United States
 * Hood River Valley High School, Hood River, Oregon, United States
 * Heritage Regional High School, Saint-Hubert, Quebec, Canada