Lauri Nissinen (31 July 1918 in Joensuu – 17 June 1944 in Kaukjärvi) was a World War II flying ace in the Finnish Air Force.

[1] Lauri Vilhelm Nissinen was born in Joensuu on 31 July 1918 and for his compulsory military service joined the Air Force, during which time he decided on flying as a career, applying for NCO pilot training in 1938.

Early in 1942 Nissinen attended Officer Cadet School, from where he then graduated in June 1943 as a lieutenant.

[2] Returning to HLeLv 24 Nissinen was made a flight commander and resumed flying missions.

In May 1944 HLeLv 32, flying the Curtiss P-36, was temporarily strengthened with a Messerschmitt Bf 109G-2 flight commanded by Lt. Nissinen.

Heimo Lampi saw the crippled Messerschmitt of Lt. Sarjamo dive through the cloud and collide with Nissinen's plane.