Daniel Desmond Sheehan, usually known as D. D. Sheehan (28 May 1873 – 28 November 1948) was an Irish nationalist, politician, labour leader, journalist, barrister and author. He served as Member of Parliament (MP) in the House of Commons of the United Kingdom of Great Britain and Ireland representing Mid-Cork from 1901 to 1918, a constituency comprising the districts of Ahadallane, Ballincollig, Ballyvourney, Blarney, Coachford, Farran, Inchigeelagh, Macroom, Millstreet and Shandangan. As co-founder and President of the Irish Land and Labour Association, he was credited with considerable success in land reform, labour reforms and in rural state housing. From 1909, he was General Secretary of the Central Executive of the All-for-Ireland League, favouring a policy of National reconciliation