No. 30 Squadron ( or LLv.30, from 3 May 1942 Le.Lv.30), renamed No. 30 Fighter Squadron (Finnish: Hävittäjälentolaivue 30 or HLe.Lv.30 on 14 February 1944) was a fighter squadron of the Finnish Air Force during World War II, which had been formed from the disbanded No. 10 Squadron. The No. 30 Sqn was part of Flying Regiment 5.