Montagu William Lowry-Corry, 1st Baron Rowton (8 October 1838–9 November 1903), also known as "Monty," was a British philanthropist and minor diplomat, best known for serving as Benjamin Disraeli's private secretary from 1866 until the latter's death in 1881.

Corry was the second son of Henry Lowry-Corry by his wife Harriet, daughter of the Earl of Shaftesbury , and was born in London and educated at Harrow and at Trinity College, Cambridge, and called to the bar in 1863. His father, a son of the Earl of Belmore , represented County Tyrone in parliament continuously for forty-seven years (1826-1873), and was a member of Lord Derby's second cabinet (1866-1868) as Vice President of the Council and afterwards as First Lord of the Admiralty. Montagu Corry was thus brought up in close touch with Conservative party politics; but it is said to have been his winning personality and social accomplishments rather than his political connections that recommended him to the favorable notice of Disraeli, who in 1866 made Corry his private secretary. From this time till the statesman's death in 1881 Corry maintained his connection with Disraeli, the relations between the two men being more intimate and confidential than usually subsist between a private secretary and his political chief. When Disraeli resigned office in 1868 Corry declined various offers of public employment in order to be free to continue his services, now given gratuitously, to the Conservative leader; and when the latter returned to power in 1874, Corry resumed his position as official private secretary to the prime minister. He accompanied Disraeli (then Earl of Beaconsfield) to the Congress of Berlin in 1878, where he acted as one of the secretaries of the special embassy of Great Britain. On the defeat of the Conservatives in 1880, Corry was raised to the peerage as Baron Rowton, of Rowton Castle, Shropshire. Lord Rowton was in Algiers when Beaconsfield was stricken with his last illness in the spring of 1881; but returning post-haste across Europe, he was present at the death-bed of his old chief. Beaconsfield bequeathed to Rowton all his correspondence and other papers.

Lord Rowton is also well-rembered as the originator of the Rowton Houses , effectively a poor mans' hotel. Lord Rowton died without heirs on the ninth of November, 1903.