RAF 258 Squadron was a Royal Air Force squadron during World War I and World War II. No. 258 Squadron was first formed 25 July 1918 from 523, 525 and 529 Special Duties Flights at Luce Bay near Stranraer, Scotland under the control of No. 25 Group. It was equipped with De Havilland DH.6 biplanes and carried out anti-submarine patrols over the Irish Sea. It was disbanded on 5 March 1918. The squadron was largely manned by RNZAF pilots from New Zealand.