In Pokemon Diamond and Pearl there are some new Hm's (Hidden Machine's) To see them all look Down stairs)
HM01 Cut Cuts the foe with sharp scythes, claws, etc. 50 95 30 Shirona in Eterna Forest
HM02 Fly Flies up on the first turn, then strikes the next turn. 90 95 15 Team Galaxy Warehouse
HM03 Surf Creates a huge wave, then crashes it down on the foe. 95 100 15 Celestic Town Shrine
HM04 Strength Builds enormous power, then slams the foe. 80 100 15 Top Floor of the Lost Tower
HM05 De Fog Lowers foe's evasiveness -- -- 15 Person in Safari Game
HM06 Rock Smash A rock-crushing attack that may lower DEFENSE. 40 100 15 Hiker at Mt. Coronet Range Entrance
HM07 Waterfall Charges the foe with speed to climb waterfalls. 80 100 15 Jasmine in Nasagi City
HM08 Rock Climb May induce confusion 90 85 20 Route 217
That are all The HM's in the Game.