is a junction passenger railway station located in the city of Yokosuka, Kanagawa, Japan, operated by the private railway operator Keikyà «.
Horinouchi is served by the Keikyà « Main Line and Keikyà « Kurihama Line. It is located 52.3 rail kilometers from the northern starting point of the Keikyà « Main Line at Shinagawa Station, in Tokyo and is the starting station for the Keikyà « Kurihama Line.
The station consists of two elevated island platforms serving four tracks, connected to the station building by an underpass.
The station opened on April 1, 1930 as a temporary stop on the Shà Ânan Electric Railways. At that time, it was named , and was located 200 meters closer to Yokosuka-Chà «à  Station than the present station. In June 1936, it was elevated in status to a full station. In November 1941, the Shà Ânan Electric Railways and the Keihin Electric Railways merged, and in May 1942 became part of the Tokyu Corporation. The station was relocated to its present address in November 1942. In 1948, the Keihin Electric Express Railway became independent of the Tokyu Corporation. The station assumed its present name on September 1, 1961.
Keikyà « introduced station numbering to its stations on 21 October 2010; Horinouchi Station was assigned station number KK61.
In fiscal 2019, the station was used by an average of 12,254 passengers daily.
The passenger figures for previous years are as shown below.