| Kazimierz Sporny | |
| Rank: | Flight Lieutenant |
| Birth Date: | 1916 2, df=yes |
| Birth Place: | Poznań |
| Death Place: | Twyford Abbey, London, England |
| Allegiance: |  Poland France United Kingdom |
| Branch: | France Armée de l'Air |
| Unit: | 3rd Aviation Regiment No. 303 Polish Fighter Squadron |
| Servicenumber: | P-0448 |
| Battles: | Polish Defensive War, World War II |
| Awards: | Virtuti Militari |
Kazimierz Sporny DFC (17 February 191617 May 1949) was a Polish fighter ace of the Polish Air Force in World War II with 5 confirmed kills.[1]
Sporny was born in 1916, he was graduated from the Polish Air Force Academy in 1936. He was assigned to the 3rd Aviation Regiment. On 17 September he crossed the border with Romania then via Yugoslavia and Italy he reached France. After the Battle of France he arrived in the UK where he served in the No. 303 Polish Fighter Squadron. Sporny scored his first victory on 30 December 1940 on a Bf 109. He volunteered to the Polish Fighting Team.[2]
On 18 July 1946 he married Margaret McArthur.
Kazimierz Sporny died from a brain cancer on 17 May 1949. On 25 August 2016 his remains were brought to Poznań by Polish Air Force's CASA C-295 and buried in Miłostowo cemetery, with an honorary flypast by the F-16 fighter jets.[3]
Virtuti Militari, Silver Cross
Cross of Valour (Poland), three times
Distinguished Flying Cross (United Kingdom)