Manganese fluoride can refer to:

Manganese(II) fluoride, MnF2 Manganese(III) fluoride, MnF3 Manganese(IV) fluoride, MnF4

These three compounds are the totality of binary manganese fluorides that have been well characterized.

Manganese(V) fluoride, MnF5, is a binary hypothetical inorganic compound of manganese and fluorine.

References