Brigadier General Ingvar Lennart Pettersson (born 1 February 1951) is a retired Swedish Air Force officer and former modern pentathlete.

Pettersson was good at most sports, but his physical education teacher encouraged him to focus on modern pentathlon.

Pettersson was 16 years old when, on Sunday, 28 January 1968, he got on the train in Knivsta to go to Ljungbyhed to enroll at the Swedish Air Force Flying School.

[3] In 1990, he had started attending the higher course at the Swedish Armed Forces Staff College (MHS) in Stockholm when he was diagnosed with laryngeal cancer.

[1] He was given responsibility for the development of a warning and countermeasures system for the JA 37 fighter interceptor in project TK ("E/W") (electronic warfare).

The result was the U95 radar jamming pod, developed especially for the JA 37 system with the prerequisites to also function in the Saab JAS 39 Gripen.