The ornamental design for a faucet handle, as shown and described.
FIG. 1 is a front perspective view of a faucet handle, showing the new design;
FIG. 2 is a front view of the faucet handle;
FIG. 3 is a rear view of the faucet handle;
FIG. 4 is a side view of the faucet handle;
FIG. 5 is another side view of the faucet handle;
FIG. 6 is a top view of the faucet handle; and,
FIG. 7 is a bottom view of the faucet handle.
The broken lines showing various elements of the faucet handle are included for the purpose of illustrating non-claimed subject matter and form no part of the claimed design.