Ceylon Post and Telegraph Signals Corps was a departmental corps of the Ceylon Defense Force from 1943 to 1945 and of the Ceylon Volunteer Force 1955 to 1956.

It was formed in February 1946, from the Post and Telegraph Signals Unit of the Ceylon Engineers Corps.

[1] It was disbanded following the disbanding of the Ceylon Defence Force on 11 April 1949 and formation of the Ceylon Army by Army Act No.

17 of 1949 which revoked the Ceylon Defence Force Ordinance of 1910.

The government hoped to minimized the effects to the Post and Telegraph services in the event of trade union action (strikes were common) by mobilizing the personnel attached to this unit.