HMS Nassau was a 64-gun third rate ship of the line of the Royal Navy, launched on 28 September 1785 by Hilhouse in Bristol.

[1] One of her first ship's surgeons is thought to be John Sylvester Hay.

He died young but he was the father of the actress Harriett Litchfield.

[1] Nassau was wrecked on the Kicks sandbar off Texel, the Netherlands, on 14 October 1799, there being 205 survivors and about 100 lives lost.

This article about a ship of the line of the United Kingdom is a stub.