Roland Calvert Cubitt, 3rd Baron Ashcombe, DL (26 January 1899 – 28 October 1962) was a member of the British aristocracy.

Cubitt was educated at Eton and the Royal Military College, Sandhurst.

They were divorced in 1947 after having three children: Roland married secondly, on 6 August 1948, Idina Joan Mills who died in 1954 (former wife of Lieut.

John Charles Trueman Mills), daughter of Col. Robert Edward Myddelton, and his wife Lady Violet Wellesley.

He died on 28 October 1962 is buried in the churchyard of St Barnabas's Church, Ranmore Common, Surrey.