Duchess of Fife is typically the wife of the Duke of Fife, an extant title in the Peerage of the United Kingdom which has been created twice, in both cases for Alexander Duff, 6th Earl Fife. In one case, however, the incumbent was Duchess of Fife in her own right (suo jure).

References

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  • Hesilrige, Arthur G. M. (1921). Debrett's Peerage and Titles of courtesy. London: Dean & Son. p. 371.