Peter Delmé may refer to:
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Peter Delmé (banker) (died 1728), British merchant and banker
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Peter Delmé (MP for Southampton) (1710–1770), also MP for Ludgershall
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Peter Delmé (MP for Morpeth)
Peter Delmé (19 December 1748 – 1789) was an English member of parliament for the constituency of Morpeth in 1774–84.