John Thomas O'Neil (born 7 June 1971 in Bellshill, North Lanarkshire) is a Scottish former professional association footballer.
He represented Scotland once, and played for Dundee United, St Johnstone, Hibernian and Falkirk in the top division.
At the start of the 1994–95 season, he was signed by ex-United colleague Paul Sturrock for United's Tayside rivals St Johnstone.
It was during his spell with the Edinburgh club that O'Neil gained his only cap for Scotland, a start in a 1–1 draw against Poland in an away friendly on 25 April 2001.
[3] He left Gretna to join Cowdenbeath at the start of the 2007–08 season, signed by former Dundee United teammate Brian Welsh.