A capacitive sensor sheet (1, 201, 301) comprising: - a dielectric layer comprising an elastomer composition A; - a top electrode layer (01A to 16A, 01D to 16D) laminated on the obverse surface of the dielectric layer; and - a bottom electrode layer (01B to 16B, 01E to 16E) laminated on the reverse surface of the dielectric layer, - wherein a portion at which the top electrode layer (01A to 16A, 01D to 16D) and the bottom electrode layer (01B to 16B, 01E to 16E) intersect as viewed in a thickness direction serves as a detection portion, - wherein the detection portion comprises a plurality of detection portions (C0101 to C1616, F0101 to F1616), the capacitive sensor sheet (1, 201, 301) further comprising at least one of: a top covering electrode layer formed over the top electrode layer (01A to 16A, 01D to 16D) so as to cover the detection portions (C0101 to C1616, F0101 to F1616) with a top flexible layer comprising an elastomer composition B1 interposed between the top electrode layer (01A to 16A, 01D to 16D) and the top covering electrode layer; and a bottom covering electrode layer formed over the bottom electrode layer (01B to 16B, 01E to 16E) so as to cover the detection portions (C0101 to C1616, F0101 to F1616) with a bottom flexible layer comprising an elastomer composition B2 interposed between the bottom electrode layer (01B to 16B, 01E to 16E) and the bottom covering electrode layer, wherein each of the top flexible layer and the bottom flexible layer has an average thickness of 1 μm to 200 μm, the capacitive sensor sheet (1, 201, 301) is adapted to be used for measuring changes in capacitance in the detection portions (C0101 to C1616, F0101 to F1616). - a dielectric layer comprising an elastomer composition A; - a top electrode layer (01A to 16A, 01D to 16D) laminated on the obverse surface of the dielectric layer; and - a bottom electrode layer (01B to 16B, 01E to 16E) laminated on the reverse surface of the dielectric layer, - wherein a portion at which the top electrode layer (01A to 16A, 01D to 16D) and the bottom electrode layer (01B to 16B, 01E to 16E) intersect as viewed in a thickness direction serves as a detection portion, - wherein the detection portion comprises a plurality of detection portions (C0101 to C1616, F0101 to F1616), the capacitive sensor sheet (1, 201, 301) further comprising at least one of: a top covering electrode layer formed over the top electrode layer (01A to 16A, 01D to 16D) so as to cover the detection portions (C0101 to C1616, F0101 to F1616) with a top flexible layer comprising an elastomer composition B1 interposed between the top electrode layer (01A to 16A, 01D to 16D) and the top covering electrode layer; and a bottom covering electrode layer formed over the bottom electrode layer (01B to 16B, 01E to 16E) so as to cover the detection portions (C0101 to C1616, F0101 to F1616) with a bottom flexible layer comprising an elastomer composition B2 interposed between the bottom electrode layer (01B to 16B, 01E to 16E) and the bottom covering electrode layer, wherein each of the top flexible layer and the bottom flexible layer has an average thickness of 1 μm to 200 μm, the capacitive sensor sheet (1, 201, 301) is adapted to be used for measuring changes in capacitance in the detection portions (C0101 to C1616, F0101 to F1616).