Hitchin Girls' School (HGS) is a secondary school with academy status in Hitchin, Hertfordshire, England. The school has 1079 students and is in a consortium for sixth form teaching with Hitchin Boys' School and The Priory School. It gained academy status in 2011. Its Main Block is the highest building in Hitchin, and upon inspection in 2013 it was given the "outstanding" rating by Ofsted. There are 80 teachers and 1100 students currently on roll.

Hitchin is a market town in the North Hertfordshire district of Hertfordshire, England. The town dates from at least the 7th century. It lies in the valley of the River Hiz at the north-eastern end of the Chiltern Hills. It is 16 miles (26 km) north-west of the county town of Hertford, and 35 miles (56 km) north of London. The population at the 2021 census was 35,220.