(Oxford University slang) Clipping of St Peter's, referring to St Peter's College, Oxford.

(Cambridge University) Peterhouse, Cambridge.

(Cambridge University, nonstandard) Peterhouse, Cambridge.

A district, a former town in St. Pete Beach, Pinellas, Florida, United States

Xenopus petersii, a species of central African frog.

A county in Southern Ontario, Canada, with its county seat in Peterborough, an independent city.

A town in Newfoundland, Newfoundland and Labrador, Canada.

A community and rural municipality of Kings County, Prince Edward Island, Canada.

A village in Nova Scotia, Canada.

An island in the British Virgin Islands.