A steam fair or (steam rally) is a regular organised gathering of historic steam-powered vehicles and machinery, open to the public.
Often, the scope is widened to include other historic exhibits such as stationary engines, internal-combustion -powered road transport, agricultural and construction vehicles, working horses, woodcraft and the like.
A typical steam fair consists of: The following is a geographic list of these gatherings, some of which are referred to as rallies or as festivals.
The list does not include static steam museums unless they host a particular event that falls into the classification.
Where these are referred to as steam fairs they are included in the list.