A multifunctional dispensing water bottle, which provides a versatile water bottle for sucking or drinking with the mouth and dispensing contained drinking liquid. A fill end closure is joined to a bottle main body and is provided with a dispensing cavity, a bottom portion of which affords passage to a dispense opening. A sucking device can movable flip open and close on another side of the dispensing cavity, a penetrating tube affords passage to a sucking passage, and the dispensing cavity is provided with a mouth opening that connects to the dispense opening. Accordingly, the above-described structure provides a water bottle for use in sucking or drinking using the mouth, or dispensing contained drinking liquid.