Kaeng Khoi Line

{{Short description|Railway line in Thailand}}

{{Infobox rail line

| image = Kaeng Khoi Station.JPG

| image_width = 300px

| image_alt =

| caption = Kaeng Khoi Junction Railway Station, terminal station of the Kaeng Khoi Line

| type = Commuter rail

| system = Greater Bangkok Commuter rail

| status =

| locale = Bangkok, Pathum Thani, Phra Nakhon Si Ayutthaya, and Saraburi

| start = Hua Lamphong

| end = Sara Buri

| stations = 37

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| owner = State Railway of Thailand

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| linelength_km = 125.10

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| gauge = {{Track gauge|1000mm|al=on}}

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Kaeng Khoi Line is a railway line of Greater Bangkok Commuter rail, operated by State Railway of Thailand (SRT). The line is all double track. There are three commuter train services on the line. Main destinations such as Rangsit, Ayutthaya, Saraburi, and Kaeng Khoi.