Eefje is a feminine Dutch given name. Notable people with the name include:
Eefje Boons (born 1994), Dutch hurdler Eefje Depoortere (born 1987), also known as Sjokz, Belgian television presenter, reporter, and esports player Eefje Lambrecks, a victim of Marc Dutroux Eefje Muskens (born 1989), Dutch badminton player Eefje de Visser (born 1986), Dutch singer-songwriter
See also 8289 An-Eefje, a minor planet