Tennyson-d'EyncourtTennyson-d'Eyncourt is a surname, and may refer to: Charles Tennyson-d'Eyncourt, British landowner and politician Edwin Tennyson-d'Eyncourt, British Royal Navy officer Sir Eustace Tennyson-d'Eyncourt, 1st Baronet, British naval architect and engineer Sir Gervais Tennyson-d'Eyncourt, 2nd Baronet, son of the 1st Baronet