Little Willy can refer to: Little Willy (song) by the Sweet Little Willie, a British tank Little Willie rhymes, macabre poetic personification of youthful mischief Little Willy Foster, an American Chicago blues musician Little Willie Jackson, an American jazz and rhythm & blues saxophonist and bandleader Little Willie John, an American rhythm and blues singer Little Willie Jones, an American soul singer and musician Little Willie Littlefield, an American rhythm & blues and boogie-woogie pianist and singer Willie Tonga, an Australian professional rugby league footballer Little Willy Wonka, a fictional character in Roald Dahl's children's novels The Little Willies, an American alternative country music group A nickname for William, German Crown Prince Little Willie Pearl, the 44-grain pearl from a River Tay mussel