St Gregory's Catholic School (often shortened to St Greg's) is an 11–18 mixed, Roman Catholic, secondary school and sixth form with academy status in Royal Tunbridge Wells, Kent, England. It was established in 1966 and is part of the Kent Catholic Schools' Partnership. It is located in the Roman Catholic Archdiocese of Southwark.

The school is arranged into five Areas of Learning (AoL). Students are assigned to an Area which they will remain in throughout their school career. This allows them to develop a supportive relationship with their peers and teachers in their Area. Students can move to another Area with good reason and family members may be put into the same Area.

The Areas of Learning are led by an Assistant Headteacher, supported by a Pastoral Leader/Manager. The five Areas are:

A range of options are available in the sixth form, including GCE A Level, Applied A levels and BTEC qualifications.

Alumni of St Gregory's Catholic School are known as Old Gregorians.