Alastair Arthur Windsor, 2nd Duke of Connaught and Strathearn (9 August 1914 – 26 April 1943) was a member of the British Royal Family. He was the only child of Prince Arthur of Connaught and Princess Alexandra, 2nd Duchess of Fife. He was a great-grandson of Queen Victoria through his father and the first great-grandchild of Edward VII through his mother. He was also a descendant of Victoria's paternal uncle and predecessor, William IV, through an illegitimate line.