Tourism in Singapore is a major industry and contributor to the Singaporean economy. In 2019, 19,114,002 tourists visited the country, which was the highest recorded number of arrivals since independence in 1965. As of 2024, as tourist arrivals recovers from the impact of the COVID-19 pandemic, there were a total of 16,526,344 international tourists that have visited Singapore, which was almost thrice the country's total population.

The country is marketed as a "City In Nature" destination by the Singapore Tourism Board under its 'Made in Singapore' campaign in 2023, with sustainable tourism as part of the campaign efforts.It also claims to be environmentally friendly, and maintains natural and heritage conservation programs. Along with this, it also has one of the world's lowest crime rates. As English is the dominant one of its four official languages, it is generally easier for tourists to understand when speaking to the local population of the country, for example, when shopping. Transport in Singapore exhaustively covers most, if not all public venues in Singapore, which increases convenience for tourists. This includes the well-known Mass Rapid Transit (MRT) system. Singapore is the 5th most visited city in the world, and 2nd in Asia-Pacific.