Lieutenant-Colonel Sir Arthur Pelham Heneage DSO (11 July 1881 – 22 November 1971) was a British Conservative Party politician.

In the First World War, Heneage served with the Royal Field Artillery. He was awarded the Distinguished Service Order in the 1917 Birthday Honours,^[1]

He was elected as Member of Parliament (MP) for the Louth constituency in Lincolnshire at the 1924 general election, defeating the Liberal Margaret Wintringham, who had been the second woman to take her seat in the House of Commons.^[2]

Heneage held the seat until he retired from Parliament at the 1945 general election.^[2]

In 1912, Heneage married Anne Findlay, daughter of Brigadier-General Neil Douglas Findlay, and had five children. He was knighted in the 1945 New Year Honours. He died at his home at Walesby Hall, Market Rasen, Lincolnshire, aged 90.^[2]

Labour politician Giles Radice was Heneage's grandson.^[3]