The Paterson and Ramapo Railroad was a railroad that operated mostly in New Jersey, connecting the city of and Paterson, New Jersey with Suffern, New York, just across the state line.

The road served freight customers from the beginning, notably cotton mills in Ho-Ho-Kus, New Jersey.

Several other factories, including a paper mill, were built due to the railroad.

In 1852, the New York and Erie Railroad leased the track rights of the P&HR and P&R and made their lines the new New York and Erie Railroad mainline.

[2] It added a third rail to make a 6 ft (1,829 mm) track as well.