Hasel may refer to: Hasel, Germany, a town in the district of Lörrach in Baden-Württemberg in Germany Hasel (Mindel), a river of Bavaria, Germany, tributary of the Mindel Hasel (Werra), a river of Thuringia, Germany, tributary the Werra Hasel (Haune), a river of Hesse, Germany, tributary of the Haune Hasel (Orb), a river of Hesse, Germany, tributary of the Orb HASELL or HASEL, a mnemonic in aviation
People with the surname Gerhard Hasel (1935–1994), Seventh-day Adventist theologian Joseph W. Hasel (1906–1996), American broadcaster Michael Hasel (born 1959), German flutist Michael G. Hasel, American Biblical archaeologist