'''Arthur Wellesley''' may refer to:

'''Dukes of Wellington''' and their relatives and heirs:
*[[Arthur Wellesley, 1st Duke of Wellington]] ("the" Duke of Wellington)
*[[Arthur Wellesley, 2nd Duke of Wellington]]
*[[Arthur Wellesley, 4th Duke of Wellington]]
*[[Arthur Wellesley, 5th Duke of Wellington]]
*[[Arthur Wellesley, 8th Duke of Wellington]]
*[[Arthur Wellesley, Marquess of Douro]]
*[[Arthur Wellesley, Earl of Mornington]]

'''Others''':
*[[Arthur Dean (UK politician)]], a UK politician
*[[Arthur Wellesley Bayley]], an Australian gold prospector
*[[Arthur Wellesley Peel, 1st Viscount Peel]]

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