James Hamlyn may refer to:
Sir James Hamlyn, 1st Baronet (1735–1811) Sir James Hamlyn-Williams, 2nd Baronet (1765–1829) Sir James Hamlyn-Williams, 3rd Baronet (1790–1861)
See also
James Hamlin, American military officer, businessman, and politician James H. Hamlin, member of the Wisconsin State Assembly Hamlyn (disambiguation)