Thomas Laurence Dundas, 1st Baron Dundas, FRS was a Scottish politician and peer who sat in the British House of Commons from 1763 to 1794 when he was raised to the peerage of Great Britain as Baron Dundas. He was responsible for commissioning the Charlotte Dundas, the world's "first practical steamboat".

A steamboat is a boat that is propelled primarily by steam power, typically driving propellers or paddlewheels. Steamboats sometimes use the prefix designation SS, S.S. or S/S or PS ; however, these designations are most often used for steamships.