Barney Rock (born 10 January 1961) is a former Gaelic footballer.
Born in Ballymun, but growing up in Glasnevin, Dublin, Rock attended St. Kevins College, Ballygall.
He played Gaelic football with his local club Ballymun Kickhams and was a member of the Dublin senior inter-county team from 1980 until 1991. He won the 1983 All-Ireland Senior Football Championship with Dublin in 1983 at Croke Park against Galway. Rock was also chosen to play in the first international rules football test against Australia in 1984. Barney won an all-star for Dublin on three occasions, all won in consecutive years 1983, 1984, 1985. His son Dean also went on to represent Dublin at inter-county level.
After hanging up his boots, Rock went on to manage both the Westmeath senior and under 21 teams from 1995 to 1997.
Rock was an unsuccessful candidate at the 1991 local elections for the Progressive Democrats. He stood for election to the Finglas ward of Dublin Corporation.