Newport Railway may refer to:
In Australia Newport–Sunshine railway line: a railway line in the western suburbs of Melbourne, Australia.
In the United Kingdom In England Mainland Newport, Abergavenny and Hereford Railway: a railway line connecting the Welsh port of Newport to the English town of Hereford. Newport Pagnell Railway: a branch line in Buckinghamshire, United Kingdom running from Wolverton to Newport Pagnell.
Isle of Wight Cowes and Newport Railway Company: a predecessor to the Isle of Wight Central Railway. Freshwater, Yarmouth and Newport Railway: a railway that followed a route westwards out of Newport, Isle of Wight. Isle of Wight (Newport Junction) Railway: a line between Sandown and Newport. Newport, Godshill and St Lawrence Railway: a branch of the Isle of Wight Central Railway. Ryde and Newport Railway: a predecessor to the Isle of Wight Central Railway.
In Scotland Newport Railway, Scotland: a line along the south bank of the estuary of the River Tay in the east coast of Scotland.
In Wales Newport, Abergavenny and Hereford Railway: a railway line connecting the Welsh port of Newport to the English town of Hereford. Pontypool, Caerleon and Newport Railway: a line between its namesake towns in Monmouthshire, South Wales. Pontypridd, Caerphilly and Newport Railway: a line connecting the collieries of the Aberdare and Rhondda valleys with Newport. Newport and Pontypool Railway: a railway between the eastern South Wales Valleys and the River Usk at Newport.
In the United States Herkimer, Newport and Poland Railway: a component of the New York Central Railroad. Old Colony & Newport Railway: part of a railroad system in southeastern Massachusetts and parts of Rhode Island. Old Colony and Newport Scenic Railway: a heritage railroad in Rhode Island. Santa Ana and Newport Railway: a short line that ran through present-day Costa Mesa and Newport Beach, California.