The following railroads operate in the U.S. state of Kansas.

Common freight carriers Blackwell Northern Gateway Railroad (BNG) Blue Rapids Railway (BRRY) Boot Hill and Western Railway (BHWY) BNSF Railway (BNSF) Cimarron Valley Railroad (CVR) Colorado Pacific Railroad (CXR) Garden City Western Railway (GCW) Kansas City Southern Railway (KCS) Kansas City Terminal Railway (KCT) Kansas and Oklahoma Railroad (KO) Kaw River Railroad (KAW) Kyle Railroad (KYLE) Missouri and Northern Arkansas Railroad (MNA) South Kansas and Oklahoma Railroad (SKOL) Operates the Kansas Eastern Railroad (KE) Union Pacific Railroad (UP) Operates the Blue Rapids Railway and Wichita Terminal Association V&S Railway (VSR) Wichita Union Terminal Railway (WUT)

Passenger carriers

Abilene and Smoky Valley Railroad Amtrak (AMTK) Ottawa Northern Railroad

Private New Century AirCenter Railroad

Defunct railroads

During World War II, less popular routes were reclaimed by the war effort for the metal rails, because of a shortage of materials during those years.