Central Illinois Regional Airport at Bloomington–Normal (IATA: BMI, ICAO: KBMI, FAA LID: BMI) is a public airport in McLean County, Illinois, three miles east of Bloomington and southeast of Normal. Owned by the Bloomington–Normal Airport Authority, it is also known as Central Illinois Regional Airport (CIRA).

The National Plan of Integrated Airport Systems for 2023–2027 categorized it as a primary commercial service airport. Federal Aviation Administration records say the airport had 262,846 passenger boardings (enplanements) in calendar year 2008, 243,448 in 2009 and 274,677 in 2010. In 2021 Central Illinois Regional Airport saw 159,897 passenger boardings ranking the airport as the 188th busiest airport in the United States.

The 2013 Federal sequester would have resulted in the closure of the airport's control tower, but the Federal Aviation Administration ultimately reversed its decision.