Elfa or ELFA may refer to:
Elfa AB, Swedish electronics supplier Elfa International, Swedish shelving company English Ladies Football Association (ELFA), 1921–1922 Elfa Rún Kristinsdóttir (born 1985), Icelandic violinist Elfa Secioria (1959–2011), Indonesian composer and songwriter (bankrupt in 1993), major Lithuanian manufacturer of tape recorders and motors for various appliances