Admiral Sir Michael Culme-Seymour, 3rd Baronet, was a senior Royal Navy officer. On 17 September 1880 he became 3rd Baronet, on the death of his father. The Culme-Seymours were relatives of the Seymour family, his father having added his wife's family name – Culme – to his own following her death.

Admiral Sir Michael Seymour, GCB was a Royal Navy officer who went on to be Commander-in-Chief, Portsmouth.