MTB 102 was a motor torpedo boat that served with the Royal Navy in the Second World War. She was built as the Vosper Private Venture Boat as an example, but taken into service.
Designed by Commander Peter Du Cane CBE, the Managing Director of Vosper Ltd, in 1936. She was completed and launched in 1937, she was bought by the Admiralty and taken into service with the Royal Navy as MTB 102.
She had an all-wood hull, described as "double diagonal Honduras mahogany on Canadian rock elm".
Besides the torpedoes she was built with, depth charges, machine guns and the Swiss Oerlikon 20 mm anti-aircraft cannon were all trialled on her.
MTB 102 was the fastest wartime British naval vessel in service at 48 knots.