A telescopic foot for furniture and/or furnishing items comprising: a supporting foot (21, 121, 221, 321), and an internal control mechanism or kinematic mechanism, and a transmission bevel gear (29, 30, 31), and a hollow body of the foot (20,120,220,320) which houses in its interior the supporting foot (21,121,221,321) designed for telescopically sliding in a lowering or lifting position with respect to said body of the foot (20,120,220,320), by means of the internal control mechanism or kinematic mechanism, wherein said internal control mechanism or kinematic mechanism is actuated by means of the transmission bevel gear (29,30,31) positioned between a first actuation opening of said bevel gear and a second telescopically sliding opening of said supporting foot (21,121,221,321), said first and second opening (35,54) being formed in said body of the foot (20,120,220,320), wherein the first opening is formed laterally and the second opening is produced axially I to the hollow body of the foot and being positioned orthogonally to each other to each receive an element of said bevel gear (29,30,31), means being provided which allow the sliding of the supporting foot (21,121,221,321) with respect to the hollow body of the foot (20,120,220,320), said telescopic foot further comprising an inner cylindrical body (28,128,228,328) interposed between said body of the foot (20,220,120,320) and said supporting foot (21,121,221,321), said transmission bevel gear (29,30,31) comprising a bevel toothed crown integral with a free end of said inner cylindrical body (28,128,228,328) and further comprising a flange provided in said inner cylindrical body, said flange engages against yielding flaps protruding inwardly into the hollow body of the foot, said yielding flaps forming engagement and retention means suitable for retaining said supporting foot (21,121,221,321) to said hollow body of the foot (20,120,220,320). a hollow body of the foot (20,120,220,320) which houses in its interior the supporting foot (21,121,221,321) designed for telescopically sliding in a lowering or lifting position with respect to said body of the foot (20,120,220,320), by means of the internal control mechanism or kinematic mechanism, wherein said internal control mechanism or kinematic mechanism is actuated by means of the transmission bevel gear (29,30,31) positioned between a first actuation opening of said bevel gear and a second telescopically sliding opening of said supporting foot (21,121,221,321), said first and second opening (35,54) being formed in said body of the foot (20,120,220,320), wherein the first opening is formed laterally and the second opening is produced axially I to the hollow body of the foot and being positioned orthogonally to each other to each receive an element of said bevel gear (29,30,31), means being provided which allow the sliding of the supporting foot (21,121,221,321) with respect to the hollow body of the foot (20,120,220,320), said telescopic foot further comprising an inner cylindrical body (28,128,228,328) interposed between said body of the foot (20,220,120,320) and said supporting foot (21,121,221,321), said transmission bevel gear (29,30,31) comprising a bevel toothed crown integral with a free end of said inner cylindrical body (28,128,228,328) and further comprising a flange provided in said inner cylindrical body, said flange engages against yielding flaps protruding inwardly into the hollow body of the foot, said yielding flaps forming engagement and retention means suitable for retaining said supporting foot (21,121,221,321) to said hollow body of the foot (20,120,220,320).