Kirna may refer to:
The Kirna (locally known as Kirna House, previously also Grangehill), a villa in Walkerburn, Scottish Borders, Scotland Kırna, a village and municipality in Julfa Rayon, Nakhchivan, Azerbaijan Kirna, Järva County, a village in Türi Parish, Järva County, Estonia Kirna, Lääne County, a village in Lääne-Nigula Parish, Lääne County, Estonia Kirna, Rapla County, a village in Märjamaa Parish, Rapla County, Estonia