WFIS may refer to

• World Federation of Independent Scouts
• WFIS (AM), a defunct radio station (1600 AM) formerly licensed to Fountain Inn, South Carolina, United States
• Washington Federation of Independent Schools

• Mencía López de Haro
• Menda
• Menda (Chalcidice)
• Menda (disambiguation)
• Mendae
• Mend-A-Hose Jungle
• Mendai
• Mendalam Kayan
• Mendalism
• Mendanau Island
• Mendanha State Park
• Mendani, Richard
• Mendankwe-Nkwen
• Mendaram Besar
• Mendaram Kecil
• Mendbayarn Jantsankhorloo
• Mendbayaryn Jantsankhorloo
• Mended by You
• Mended (song)
• Mended (Vera Blue song)
• Mendelblatt, David
• Mendelblatt, Mark
• Mendeleev (disambiguation)
• Mendeleevian nomenclature
• Mendeleevian prefixes