(born 1962), US comedian, actress, and talk show host; full name Roseann O'Donnell. On television, she hosted The Rosie O'Donnell Show (1996–2002) and cohosted The View (2006–07). Her acting credits include the revival of the Broadway musical Grease (1994) and the movies A League of Their Own (1992) and Harriet the Spy (1996).