Hewitt is a city in McLennan County, Texas, United States. The population was 11,085 at the 2000 census, and was 12,987 after a 2005 estimate. It is part of the Waco Metropolitan Statistical Area. The city was featured in the film Harold & Kumar Escape from Guantanamo Bay, including the fictional Hewitt Regional Airport.
Hewitt is located at 31°27′14″N 97°11′42″W / 31.45389°N 97.195°W / 31.45389; -97.195 (31.453789, -97.195023).
According to the United States Census Bureau, the city has a total area of 6.9 square miles (17.8 km²), all of it land.