Sirje may refer to:
Places Širje, settlement in Slovenia Veliko Širje, settlement in Slovenia
People Sirje Eichelmann (born 1955), Estonian track and field athlete Sirje Endre (born 1945), Estonian journalist, politician and entrepreneur Sirje Helme (born 1949), Estonian art historian and art critic Sirje Kingsepp (born 1969), Estonian politician and reality TV participant Sirje Kivimäe (born 1947), Estonian historian Sirje Olesk (born 1954), Estonian literary scholar and critic Sirje Roops (born 1992), Estonian footballer Sirje Runge (born 1950), Estonian painter and designer Sirje Tennosaar (1943–2021), Estonian actress and television presenter