Sir Robert Henry Hobart, 1st Baronet KCVO, CB (13 September 1836 – 4 August 1928) was a British Liberal Party politician.
He was the oldest son of Hon. Henry Lewis Hobart, third son of the 3rd Earl of Buckinghamshire, and Charlotte Selina Moore, daughter of Richard Moore. Hobart was the Official Verderer of the New Forest and sat as Member of Parliament (MP) for New Forest from 1906 until 1910. He was awarded a Companion of the Order of the Bath and a Knight Commander of the Royal Victorian Order. On 14 July 1914, he was created a Baronet, of Langdown, in the County of Southampton.
On 13 May 1869, Hobart married Hon. Julia Trollope, oldest daughter of the 1st Baron Kesteven. He was succeeded in the baronetcy by his only son Claud.