Aldine is a census-designated place (CDP) in unincorporated central Harris County, Texas, United States, located within the extraterritorial jurisdiction of Houston. The population was 15,999 at the 2020 census. The community is located on the Hardy Toll Road, Union Pacific Railroad, and Farm to Market Road 525. The Aldine area is near Houston's George Bush Intercontinental Airport, the second largest aviation facility in Texas.

The Aldine Independent School District is a public school district based in unincorporated Harris County, Texas, United States. It serves portions of Houston and unincorporated Harris County. Aldine ISD serves the communities of Aldine, most of Greenspoint, most of East Aldine, and portions of Airline, Acres Homes, Kinwood, Bordersville, and Inwood Forest. The district is part of the taxation base for the Lone Star College System. As of 2020, Dr. LaTonya Goffney serves as superintendent of schools.