A refrigerant distributor configured to distribute refrigerant from a refrigerant supply pipe to first and second refrigerant outflow pipes (100f, 100g), the refrigerant distributor comprises: a supply path to which the refrigerant supply pipe is configured to be connected, the downstream end portion of the supply path being formed by a tapered surface whose diameter gradually decreases toward the downstream side in the refrigerant flow direction, wherein the tapered surface and the supply path are coaxial; a reducing portion extending straight from a downstream end of the supply path and having a diameter smaller than a diameter of the supply path; a refrigerant stirring chamber communicating with a downstream end of the reducing portion and configured to stir refrigerant from the reducing portion; a refrigerant strike surface facing the downstream end of the reducing portion with a predetermined interval and configured such that refrigerant from the reducing portion strikes the refrigerant strike surface; a first branch channel having an upstream end and a downstream end, the upstream end communicating with a portion of the refrigerant stirring chamber separated from the refrigerant strike surface, the downstream end being configured to be communicating with the first refrigerant outflow pipe; and a second branch channel having an upstream end and a downstream end, the upstream end communicating with a portion of the refrigerant stirring chamber separated from the refrigerant strike surface and from the upstream end of the first branch channel, the downstream end being configured to be communicating with the second refrigerant outflow pipe; characterized in that the length of the reducing portion is larger than the length of the supply path including the tapered surface, wherein the diameter of the reducing portion is uniform from the upstream end to the downstream end thereof. a supply path to which the refrigerant supply pipe is configured to be connected, the downstream end portion of the supply path being formed by a tapered surface whose diameter gradually decreases toward the downstream side in the refrigerant flow direction, wherein the tapered surface and the supply path are coaxial; a reducing portion extending straight from a downstream end of the supply path and having a diameter smaller than a diameter of the supply path; a refrigerant stirring chamber communicating with a downstream end of the reducing portion and configured to stir refrigerant from the reducing portion; a refrigerant strike surface facing the downstream end of the reducing portion with a predetermined interval and configured such that refrigerant from the reducing portion strikes the refrigerant strike surface; a first branch channel having an upstream end and a downstream end, the upstream end communicating with a portion of the refrigerant stirring chamber separated from the refrigerant strike surface, the downstream end being configured to be communicating with the first refrigerant outflow pipe; and a second branch channel having an upstream end and a downstream end, the upstream end communicating with a portion of the refrigerant stirring chamber separated from the refrigerant strike surface and from the upstream end of the first branch channel, the downstream end being configured to be communicating with the second refrigerant outflow pipe;