Ion Barbu (disambiguation)

Ion Barbu (1895–1961) was a Romanian mathematician and poet.

Ion Barbu may also refer to:


 * Ion Barbu (athlete) (born 1930), Romanian Olympic racewalker
 * Ion Barbu (footballer born 1938) (1938–2011), Romanian football defender
 * Ion Barbu (footballer born 1977), Romanian football defender