A sliding device for doors and (24) wardrobe doors provided with multiple adjustments consists of a carriage or slider (10), provided with rollers or bearings (22) for sliding the doors to which a profile section (28) is secured having an embossed and shaped portion (22{circumflex over ( )} of a shape complementary to the profile section of said rollers (22). The carriage or slider (10) comprises a first body or front body (12), having a substantially rectangular plan, and a second body or rear body (14) intended to be connected to the first front body (12); said rear body (14) is provided with opposed substantially cylindrical appendages (16, 18) with a vertical passing-through hole (32) in which respective cylindrical bodies are inserted along which an offset and passing-through threaded hole (36) is bored, to form as many eccentrics (34). In each of the holes (36) a threaded stem or screw (38) is entered, which protrudes from the upper side of the front body (12) on which corresponding holes or slots (32y) are bored.