D'Elía is a last name, which may reference to:
Bill D'Elia, American screenwriter, producer, director and actor Carlos D'Elia (or Carlos César Delía; 1923–2014), Argentine equestrian and a brigade general Cecilia D'Elia (born 1963), Italian politician Chris D'Elia, American comedian and actor Christopher D'Elia, American marine biologist Elena D'Elia (born 2005), Italian singer-songwriter Fabio D'Elia (born 1983), Liechtenstein football midfielder of Italian origin Federico D'Elía, Argentine actor Jorge D'Elía, Argentine actor José D'Elía, Uruguayan labor leader Luis D'Elía, Argentine holocaust denier Salvatore D'Elia (born 1989), Italian footballer Sergio D'Elia (born 1952), Italian politician, activist and former left-wing terrorist Silvina D'Elía, Argentine field hockey player Sofia Black-D'Elia (born 1991), American actress Toshiko D'Elia (1930-2014), American Masters athletics long-distance running legend William D'Elia (born 1946), also known as "Big Billy", Pennsylvania mobster and former leader of the Bufalino crime family