Rowland's Castle is a village and civil parish in the East Hampshire district of Hampshire, England. It is 2.9 miles north of Havant, on the Hampshire/West Sussex border. The focal point of the village is the village green which is shaped somewhat like a lung.

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The earliest recorded inn was that of the White Hart which stood between what is now the Castle Inn and the arches and is first recorded in 1784.

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The castle was built at some time between 1066 and 1199 and is first documented under the name ROLOKECASTEL in 1381. It was in good repair in the twelfth century, when Henry II spent several days there in hunting and amusement, but was abandoned by the 15th century.