Groton is the name of several places :
In England:
- Groton, Suffolk
- Groton Wood
In the United States of America:
- Groton, Connecticut, a town
- Groton (city), Connecticut, within the town
- Groton, Massachusetts
- Groton, New Hampshire
- Groton (town), New York
- Groton (village), New York, within the town
- Groton, South Dakota
- Groton, Vermont
It is also in the name of two prominent boarding schools in the United States:
- Groton School
- Lawrence Academy at Groton