To provide a novel liquid filling nozzle capable of preventing foaming at filling and a liquid drip after the filling, and capable of enhancing filling speed for the liquid compared to conventional nozzles by preventing its foaming at filling.

The nozzle is used by being connected to the feeding port of a liquid filling apparatus, comprises a liquid feeding tube 1 connected to the feeding port and a bag-shaped elastic body film 3 attached to the foremost end opening 2 of the liquid feeding tube 1 and expanding and shrinking in response to the inner pressure of the liquid feeding tube. An orifice 4 is formed in the side face portion 6 of the elastic body film 3.