Railway companies of Oregon

List of railway companies in the American state of Oregon.

Class I railways

 * Amtrak (AMTK), passenger on freight lines
 * Burlington Northern & Gulf Railroad (BNG), freight
 * North Western Pacific Railroad (NWP), freight and passenger
 * Union Pacific Railroad (UP), freight

Regional railways

 * Central Oregon & Pacific Railroad (CORP), freight and passenger
 * Portland & Western Railroad (PNWR), freight and passenger

Shortline and terminal railways

 * Albany & Eastern Railroad (AERC), freight
 * City of Prineville Railway (COP), freight
 * Clackamas Valley Railway (CVLY), freight
 * Coos Bay Rail Link (CBR), freight and passenger
 * Goose Lake Railway (GOOS), freight
 * Idaho Northern & Pacific Railroad (INPR), freight
 * Klamath Northern Railway (KNOR), freight
 * Lake County Railroad (LRY), freight
 * Mount Hood Railroad (MH), freight and passenger
 * Oregon Eastern Railroad (OERR), freight
 * Oregon Independence Railroad (OIRR), freight
 * Oregon Pacific Railroad (OPR), freight and passenger
 * Oregon, Pacific & Eastern Railway (OPE), freight
 * Palouse River & Coulee City Railroad (PCC), freight
 * Peninsula Terminal Company (PT), freight
 * Port of Tillamook Bay Railroad (POTB), freight
 * Portland Terminal Railroad (PTRC), freight
 * Rogue Valley Terminal Railroad (RVT), freight
 * Sumpter Valley Railway (SVR), passenger
 * Wallowa Union Railroad Authority (WURR), freight and passenger
 * Westside Express Service (TMTC), passenger on freight lines
 * Willamette Valley Railway (WVR, WGR), freight

Defunct railways
Years shown here refer to the period in which a given company operated in Oregon; they may have existed elsewhere before or after these years.