John Singh Gill (born October 28, 1986) is a former American football defensive tackle.

He is originally from California and played high school football at Bellarmine College Prep.

Gill played in the NFL for the Indianapolis Colts at defensive tackle and long snapper.

After playing in the NFL, Gill moved to the Boston area and started working in software sales.

This biographical article relating to an American football defensive lineman born in the 1980s is a stub.