Jefferson County Airport may refer to:
Jefferson County International Airport in Jefferson County, Washington, United States (FAA: 0S9) Jefferson County Airpark in Jefferson County, Ohio, United States (FAA: 2G2) Jefferson County Airport in Jefferson County, Ohio, United States (FAA: 44D) DuBois Regional Airport, formerly DuBois-Jefferson County Airport, in Pennsylvania, United States (FAA: DUJ) Rocky Mountain Metropolitan Airport, formerly Jefferson County Airport, in Colorado, United States (FAA: BJC) Southeast Texas Regional Airport, formerly Jefferson County Airport, in Texas, United States (FAA: BPT)