John Barrett (athlete)

John James Barrett (born 17 December 1879, date of death unknown) was an Irish track and field athlete who represented Great Britain at the 1908 Summer Olympics. He was born in Rahela, Ballyduff, County Kerry, Ireland and worked as a Royal Irish Constabulary officer. He was the brother of Edward Barrett.

In 1908 he participated in the Greek discus throw event and in the shot put competition but in both contests his result is unknown.