HMT Juniper (T123) was a Tree-class minesweeping trawler of the Royal Navy. She was built by Ferguson Brothers Ltd. at Glasgow, launched on 15 December 1939, and commissioned on 9 March 1940. A steel vessel of 545 tons, Juniper measured in length with a beam of and a mean draft of A single triple expansion reciprocating engine of gave her a speed of . The crew numbered 4 officers and 36 men. Armament comprised a 12pdr AA gun, three 20 mm Oerlikon AA guns, and 30 depth charges.