The Hotel Inspector is an observational documentary television series which is broadcast on the British terrestrial television station, Channel 5, and by other networks around the world.

In each episode, celebrated hotelier and businesswoman Alex Polizzi visits a struggling British hotel to try to turn its fortunes around by giving advice and suggestions to the owner. The current host, Alex Polizzi (since 2008), has featured in nineteen series of The Hotel Inspector, including four series of The Hotel Inspector: Returns and one series of Hotel Inspector: Checking In, Checking Out. Her predecessor, Ruth Watson, presented four series between 2005 and 2008, including the first and only series of The Hotel Inspector: Revisited.