•
Donnell Bennett (born 1972), former American football fullback •
Donnell Cameron, record producer •
Donnell L. Cunningham (1866–1947), chief justice of the Arizona Supreme Court •
Donnell Deeny, KC (born 1950), Chancery Judge in the High Court of Northern Ireland •
Donnell Gilliam (1889–1960), United States federal judge •
Donnell Harvey (born 1980), American professional basketball player •
Donnell Holmes (born 1973), professional heavyweight boxer •
Donnell II O'Donovan or Donal II O'Donovan, Lord of Clancahill (died 1639), son of Donal of the Skins, The O'Donovan of Clann Cathail •
Donnell III O'Donovan or Donal III O'Donovan, The O'Donovan of Clancahill, born before 1584, son of Donal II O'Donovan, The O'Donovan of Clancahill •
Donnell Irrais (
fl. 1272–1274), Gaelic-Irish lord, member of the Clan Muircheartaigh Uí Conchobhair •
Donnell Jones or Donell Jones (born 1973), American R&B singer, songwriter and record producer •
Donnell Mor Mideach Ua Conchobair (
fl. 1144–1176), Prince of Connacht •
Donnell Ó Con Ceanainn, (died 1316), King of Uí Díarmata •
Donnell of the Hides or Domhnall na g-Croiceann or Hides, The O'Donovan Mor, Lord of Clancahill from c. 1560 to 1584 •
Donnell Rawlings (born 1970), American comedian and actor •
Donnell Smith (born 1949), former defensive end in the National Football League •
Donnell Thompson (born 1958), defensive end in the National Football League •
Donnell Washington (born 1981), American football defensive tackle •
Donnell Woolford (born 1966), former professional American football cornerback ==See also==