John Francis O'Hagan OBE (29 November 1898 – 15 July 1987) was an Australian singer-songwriter and radio personality.

He was the son of Pat O'Hagan, a hotelkeeper and Alice née Quinlan.

[2] Some of O'Hagan's well-known songs are: His music and lyrics for the stage include the musical The Flame of Desire, which premiered at Melbourne's Apollo Theatre in October 1935.

[4] In the 1940s and 1950s, O'Hagan wrote many radio commercials and campfire songs.

However, the combination of the rising popularity of rock and roll and television ended his career.