Crossword clues for the word: NIALL The word NIALL has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for NIALL Showing 1 to 8 of 8 results Clue(s) 'The Ascent of Money' historian Ferguson "Slow Hands" singer ___ Horan Guy from Northern Ireland with everything? Horan of One Direction One Direction's "cute one" __ Horan Pop star Horan Singer Horan Singer Horan, who was a member of One Direction