HMHS Lanfranc was a Booth Line passenger steamship that was built in Scotland in 1907 and operated scheduled services between Liverpool and Brazil until 1914.

[1] Booth's operated scheduled cargo liner and passenger services between Europe and Brazil.

In the first decade of the 20th century these services included regular sailings between Liverpool and Manaus, 1,000 miles (1,600 km) up the Amazon River.

[6] She and her sisters were the largest ships in Booth's fleet until Scotts Shipbuilding and Engineering Company launched Hildebrand in 1911.

[10] By September 1914 the British Admiralty had requisitioned several Booth ships, including Lanfranc and her sisters.

[12] On 17 April 1917 Lanfranc and an "ambulance ship", Donegal, embarked wounded personnel at Le Havre to take to England.

[14] At about 1930 hrs[14] SM UB-40 torpedoed Lanfranc about 42 nautical miles (78 km; 48 mi) north of Le Havre.