The design consists of the features of the overall shape, ornament, pattern and configuration of a NONWOVEN FABRIC as shown in the drawings. The drawings show a nonwoven fabric having no specific length or width, with a pattern that repeats through the surface of the fabric. The broken lines in the drawing represent unclaimed portions of the design.Figure 1 is an isometric view of a nonwoven fabric featuring the new design.Figure 2 is a top plan view thereof.Figure 3 is an isometric view of a second variant of the nonwoven fabric featuring the new design.Figure 4 is a top plan view thereof.Figure 5 is an isometric view of a third variant of the nonwoven fabric featuring the new design.Figure 6 is a top plan view thereof.Figure 7 is an isometric rear view thereof.Figure 8 is a rear plan view thereofFigure 9 is an isometric view of a fourth variant of the nonwoven fabric featuring the new design.Figure 10 is a top plan view thereof.Figure 11 is an isometric rear view thereof.Figure 12 is a rear plan view thereof.Figure 13 is an isometric view of a fifth variant of the nonwoven fabric featuring the new design.Figure 14 is a top plan view thereof.Figure 15 is an isometric rear view thereof.Figure 16 is a rear plan view thereof.Figure 17 is an isometric view of a sixth variant of the nonwoven fabric featuring the new design.Figure 18 is a top plan view thereof.Figure 19 is an isometric rear view thereof.Figure 20 is a rear plan view thereof.Figure 21 is an isometric view of a seventh variant of the nonwoven fabric featuring the new design.Figure 22 is a top plan view thereof.Figure 23 is an isometric rear view thereof.Figure 24 is a rear plan view thereof.Figure 25 is an isometric view of an eight variant of the nonwoven fabric featuring the new design.Figure 26 is a top plan view thereof.Figure 27 is an isometric rear view thereof.Figure 28 is a rear plan view thereof.Figure 29 is an isometric view of a ninth variant of the nonwoven fabric featuring the new design.Figure 30 is a top plan view thereof.Figure 31 is an isometric rear view thereof.Figure 32 is a rear plan view thereof.Figure 33 is an isometric view of a tenth variant of the nonwoven fabric featuring the new design.Figure 34 is a top plan view thereof.Figure 35 is an isometric rear view thereof,Figure 36 is a rear plan view thereof.