The Uno Line (宇野線, Uno-sen) is a Japanese railway line which connects Okayama Station in Okayama to Uno Station in Tamano, both in Okayama Prefecture.

It is also referred to as the Uno-Port Line (宇野みなと線, Uno-minato-sen).

Limited express Uzushio (Okayama - Tokushima) The entire line opened on 12 June 1910,[2] and until the opening of the Seto Ohashi Bridge in 1988, was the main railway connection to Shikoku (via the Takamatsu ferry).

With the privatization of JNR on 1 April 1987, the line came under the control of JR West.

[2] From the start of the 26 March 2016 timetable revision, the line was branded the Uno Port Line (宇野みなと線, Uno-minato-sen).