Khlong To Yo is a canal in eastern Bangkok. It is a southern side canal of the Khlong Saen Saeb (fig.), which starts in the vicinity of the Bangkapi wharf on the northern line of its express boat service, i.e. 65 meters to the east of it and on the opposite side.

It runs along a north-southern axis and whereas this canal in the north connects to Khlong Saen Saeb, in its southern end it joins the Hua Mahk Canal. It is 1.45 kilometer long and its width varies from 6 to 8 meters.