Samsun–Kalın railway

{{Infobox rail line

| box_width =

| name = Kalın–Samsun railway

| image = Samsun TCDD - panoramio.jpg

| image_width = 300

| caption = The northern terminus of the railway, Samsun.

| type = Heavy rail

| system = Turkish State Railways

| status =

| locale = Black Sea Region, Turkey

| start = Kalın, Sivas

| end = Samsun, Samsun

| stations =

| routes =

| daily_ridership =

| ridership2 =

| open = 15 December 1932[http://www.trainsofturkey.com/w/pmwiki.php/History/CFOA CFOA history] - trainsofturkey.com

| close =

| owner = Turkish State Railways

| operator = TCDD Taşımacılık

| depot =

| linelength_km = 377.7

| tracks = 1

| gauge = {{RailGauge|sg|al=on}}

| old_gauge =

| electrification =

| speed_km/h =

| speed_mph =

| speed =

| elevation_m =

| elevation_ft =

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| map =

| map_state = collapsed

}}

File:Bahnstrecke Sivas–Samsun.png

The Samsun–Kalın railway is a {{convert|377.7|km|abbr=on}} long railway in the Black Sea Region of Turkey. It connects to the Ankara–Kars railway, near Sivas from the port city of Samsun, running through the Pontic mountains. It is one of two railways that service a Black Sea port, along with the Irmak–Zonguldak railway.

It was renovated in the early 21st century.{{Cite web |title=Tokat'ta tren seferleri yıllar sonra yeniden başladı |url=https://www.osmancikhaber.com.tr/tokatta-tren-seferleri-yillar-sonra-yeniden-basladi |access-date=2023-05-30 |website=Osmancık Haber - Çorum Haber Kaynağı, Son Dakika Haberler |language=tr}}