HMCS Cormorant (PCS 781) was a Bird-class patrol vessel of the Royal Canadian Navy.

Constructed of wood and aluminum, Cormorant displaced 66 long tons (67 t).

[2] The Bird class were powered by diesel engines creating 1,200 brake horsepower (890 kW) connected to two shafts.

[2] Cormorant was armed with one 20 mm Oerlikon cannon and a Hedgehog anti-submarine mortar.

[3] In 1961, Cormorant was assigned to Atlantic Command as a harbour patrol craft.