T. S. Jay is an Indian film editor, who has worked on Tamil language films. He has often collaborated in ventures with V. T. Vijayan, but has also worked alone on films including Radha Mohan's Uppu Karuvaadu (2015).

After assisting editor V. T. Vijayan for several years, Jay collaborated with the senior editor and has been credited as a joint editor in ventures including Vai Raja Vai (2015), Thirunaal (2016) and Singam 3 (2017). He has also worked independently on films including Radha Mohan's Uppu Karuvaadu (2015).