Ion Barbu (disambiguation)
Ion Barbu may refer to:
- Ion Barbu, Romanian mathematician and poet
- Ion Barbu (footballer born 1938), Football defender who played for Argeş Piteşti in Romania, Beşiktaş J.K. in Turkey and the Romania national football team
- Ion Barbu (footballer born 1977), Football defender who played for FC Farul Constanţa in Romania