Ekdahl is a surname of Swedish origin which may refer to: Jonas Ekdahl, Swedish born drummer of metal band Evergrey Lennart Ekdahl (1912–2005), Swedish sailor who competed in the 1936 Summer Olympics Lisa Ekdahl (born 1971), Swedish singer-songwriter Nils Johan Ekdahl (1799–1870), Swedish theologian, political writer and cultural historian Swedish-language surnames