Scarborough, Tobago is the largest town on Tobago, one of the two islands of the Republic of Trinidad and Tobago. Its population is around 17,000, almost one-third of the population of the island. The town is dominated by Fort King George, an 18th Century fortification named for King George III which now hosts a historic/archaeologic museum. Scarborough's deepwater harbour was built in 1991; before that ships were forced to anchor offshore.

Scarborough became the capital of Tobago in 1769 when it replaced the then-capital of Georgetown. Under French rule it was named Port Louis.