Diaby is a surname, and may refer to: Abdoulay Diaby (born 1991), Malian football player Abou Diaby (born 1986), French football midfielder Aboubakar Diaby Ouattara, Ivorian diplomat Alassane Diaby (born 1995), French-born Malian football player Karamba Diaby (born 1961), Senegalese-born German chemist and politician Karim Coulibaly Diaby (born 1989), French-Ivorian football striker Lassina Diaby (born 1992), Ivorian footballer Mohamed Diaby (born 1990), Ivorian football midfielder Moussa Diaby (born 1999), French football forward Oumar Diaby (born 1990), French football forward Oumarou Diaby (born 1987), French football midfielder Sékana Diaby (born 1968), former Ivorian football defender Souleymane Diaby (born 1987), Ivorian football striker of Guinean descent