Cloverleaf is a census-designated place (CDP) in east central Harris County, Texas, United States.

[4] Cloverleaf originated as a stop on the Beaumont, Sour Lake, and Western Railway.

The Handbook of Texas states that a post office may have existed for a short period of time around 1950.

[3] According to the United States Census Bureau, the CDP has a total area of 3.3 square miles (8.6 km2), all land.

[15] As of the 2020 United States census, there were 24,100 people, 7,087 households, and 5,743 families residing in the CDP.

[3] Residents of Galena Park ISD (and therefore Cloverleaf CDP) are zoned to San Jacinto College.