* Butterworth (ancient township), a former township centred on Milnrow, in the then Parish of Rochdale, England, United Kingdom
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Butterworth, Eastern Cape
Butterworth (also known as ''Gcuwa'') is a town in the Eastern Cape Province, South Africa. Butterworth has a population of 45,900 and is situated on the N2 national highway 111 km north of East London.Butterworth, Penang, the principal town of Seberang Perai in the state of Penang, Malaysia
** RMAF Butterworth, air base near Butterworth, Penang, Malaysia
* Butterworth, Ohio, a ghost town, United States
* Butterworth, Virginia, unincorporated community, United States
Butterworth filter
The Butterworth filter is a type of signal processing filter designed to have a frequency response that is as flat as possible in the passband. It is also referred to as a maximally flat magnitude filter. It was first described in 1930 by the Br ...
, a type of electronic filter design, eponym of Stephen Butterworth
* LexisNexis Butterworths, publisher
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Mrs. Butterworth's
Mrs. Butterworth's is an American brand of syrups and pancake mixes owned by Conagra Brands. The syrups come in distinctive bottles shaped as the character "Mrs. Butterworth", represented in the form of a matronly woman. The syrup was introduced ...
, a brand of pre-packaged syrups and pancake mixes
* ''Butterworth'' (1785 ship), originally a privateer, then a whaler
** Butterworth Squadron, flotilla of whaling ships organised around ''Butterworth''